{"id":"CVE-2026-25997","aliases":["ALPINE-CVE-2026-25997","ALSA-2026:16014","DEBIAN-CVE-2026-25997","EUVD-2026-8737","GHSA-q5j3-m6jf-3jq4","MGASA-2026-0383","OESA-2026-1516","OESA-2026-1517","OESA-2026-1518","OESA-2026-1519","OESA-2026-1520","OESA-2026-1521","RHSA-2026:16014","RHSA-2026:19142","RHSA-2026:20605","RLSA-2026:16014","RLSA-2026:19142","SUSE-SU-2026:1632-1","SUSE-SU-2026:1633-1","SUSE-SU-2026:1634-1","SUSE-SU-2026:1635-1","SUSE-SU-2026:1640-1","SUSE-SU-2026:21436-1","UBUNTU-CVE-2026-25997","USN-8105-1","openSUSE-SU-2026:10408-1","openSUSE-SU-2026:10611-1","openSUSE-SU-2026:20632-1","openSUSE-SU-2026:20657-1"],"status":"published","title":"FreeRDP has heap-use-after-free in xf_clipboard_format_equal","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_clipboard_format_equal` reads freed `lastSentFormats` memory because `xf_clipboard_formats_free` (called from the cliprdr channel thread during auto-reconnect) frees the array while the X11 event thread concurrently iterates it in `xf_clipboard_changed`, triggering a heap use after free. Version 3.23.0 fixes the issue.","severity":{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00651,"percentile":0.51527,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2026-02-25T20:38:40Z","modified":"2026-11-03T06:33:01Z","fixes":[{"ecosystem":"Alpine:v3.23","package":"freerdp","fixed_in":["3.23.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"freerdp","fixed_in":["3.23.0-r0"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"freerdp3","fixed_in":["3.15.0+dfsg-2.1+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"freerdp3","fixed_in":["3.23.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"freerdp3","fixed_in":["3.5.1+dfsg1-0ubuntu1.4"],"sources":["osv"]},{"ecosystem":"Ubuntu:25.10","package":"freerdp3","fixed_in":["3.16.0+dfsg-2ubuntu0.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.23","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.23.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.23.0-r0"}]}]},{"source":"osv","ecosystem":"AlmaLinux:10","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-5.el10_1.8"}]}],"bundled":10},{"source":"osv","ecosystem":"AlmaLinux:10","package":"freerdp-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-5.el10_1.8"}]}],"bundled":10},{"source":"osv","ecosystem":"AlmaLinux:10","package":"freerdp-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-5.el10_1.8"}]}],"bundled":10},{"source":"osv","ecosystem":"AlmaLinux:10","package":"freerdp-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-5.el10_1.8"}]}],"bundled":10},{"source":"osv","ecosystem":"AlmaLinux:10","package":"libwinpr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-5.el10_1.8"}]}],"bundled":10},{"source":"osv","ecosystem":"AlmaLinux:10","package":"libwinpr-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-5.el10_1.8"}]}],"bundled":10},{"source":"osv","ecosystem":"Debian:12","package":"freerdp2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.10.0+dfsg1-1","2.10.0+dfsg1-1.1","2.11.2+dfsg1-1","2.11.2+dfsg1-1.1~exp1","2.11.2+dfsg1-1.1~exp2","2.11.5+dfsg1-1","2.11.7+dfsg1-1","2.11.7+dfsg1-2","2.11.7+dfsg1-3","2.11.7+dfsg1-4","2.11.7+dfsg1-5","2.11.7+dfsg1-6","2.11.7+dfsg1-6~deb12u1"]},{"source":"osv","ecosystem":"Debian:13","package":"freerdp3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.15.0+dfsg-2.1+deb13u1"}]}],"versions":["3.15.0+dfsg-2.1"]},{"source":"osv","ecosystem":"Debian:14","package":"freerdp3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.23.0+dfsg-1"}]}],"versions":["3.15.0+dfsg-2.1","3.16.0+dfsg-1","3.16.0+dfsg-2","3.17.0+dfsg-1","3.17.1+dfsg-1","3.17.1+dfsg-2","3.17.2+dfsg-1","3.17.2+dfsg-2","3.17.2+dfsg-3","3.18.0+dfsg-1","3.19.0+dfsg-1","3.19.1+dfsg-1","3.20.0+dfsg-1","3.20.2+dfsg-1","3.21.0+dfsg-1","3.22.0+dfsg-1","3.22.0+dfsg-1~bpo13+0","3.22.0+dfsg-1~bpo13+1","3.22.0+dfsg-3","3.23.0+dfsg-1~bpo13+1"]},{"source":"osv","ecosystem":"Mageia:10","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.31.0-1.mga10"}]}],"bundled":32},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP1","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.8-1.oe2403sp1"}]}],"bundled":26},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP2","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.8-1.oe2403sp2"}]}],"bundled":26},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP3","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.8-1.oe2403sp3"}]}],"bundled":26},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP4","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.8-1.oe2003sp4"}]}],"bundled":27},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP4","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.8-1.oe2203sp4"}]}],"bundled":27},{"source":"osv","ecosystem":"openEuler:24.03-LTS","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.8-1.oe2403"}]}],"bundled":26},{"source":"osv","ecosystem":"Red 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,"tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-23884","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-25941","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-25942","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-25952","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-25953","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-25954","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-25955","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-25959","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-26271","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-26955","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-26965","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-26986","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-27015","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-27950","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-27951","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1256721","tags":["report"]},{"url":"https://bugzilla.suse.com/1256723","tags":["report"]},{"url":"https://bugzilla.suse.com/1256943","tags":["report"]},{"url":"https://bugzilla.suse.com/1256945","tags":["report"]},{"url":"https://bugzilla.suse.com/1256946","tags":["report"]},{"url":"https://bugzilla.suse.com/1256947","tags":["report"]},{"url":"https://bugzilla.suse.com/1257981","tags":["report"]},{"url":"https://bugzilla.suse.com/1257991","tags":["report"]},{"url":"https://bugzilla.suse.com/1259251","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22855","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22857","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-23533","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-23732","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-23883","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-23884","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-24491","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-24684","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-25997","title":"FreeRDP has heap-use-after-free in xf_clipboard_format_equal","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_clipboard_format_equal` reads freed `lastSentFormats` memory because `xf_clipboard_formats_free` (called from the cliprdr channel thread during auto-reconnect) frees the array while the X11 event thread concurrently iterates it in `xf_clipboard_changed`, triggering a heap use after free. Version 3.23.0 fixes the issue.","status":"published","published":"2026-02-25T20:38:40.483Z","modified":"2026-02-25T21:39:08.071Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T13:41:30.911526Z"}],"euvd":[{"id":"EUVD-2026-8737","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_clipboard_format_equal` reads freed `lastSentFormats` memory because `xf_clipboard_formats_free` (called from the cliprdr channel thread during auto-reconnect) frees the array while the X11 event thread concurrently iterates it in `xf_clipboard_changed`, triggering a heap use after free. Version 3.23.0 fixes the issue.","status":"published","published":"2026-02-25T20:38:40Z","modified":"2026-02-25T21:39:08Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T19:48:28.012266Z"}],"nvd":[{"id":"CVE-2026-25997","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_clipboard_format_equal` reads freed `lastSentFormats` memory because `xf_clipboard_formats_free` (called from the cliprdr channel thread during auto-reconnect) frees the array while the X11 event thread concurrently iterates it in `xf_clipboard_changed`, triggering a heap use after free. Version 3.23.0 fixes the issue.","status":"published","published":"2026-02-25T21:16:42.21Z","modified":"2026-06-17T10:25:34.087Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:07.027269Z"}],"osv":[{"id":"ALPINE-CVE-2026-25997","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_clipboard_format_equal` reads freed `lastSentFormats` memory because `xf_clipboard_formats_free` (called from the cliprdr channel thread during auto-reconnect) frees the array while the X11 event thread concurrently iterates it in `xf_clipboard_changed`, triggering a heap use after free. Version 3.23.0 fixes the issue.","status":"published","published":"2026-02-25T21:16:42.21Z","modified":"2026-11-03T06:33:01.949195196Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T07:15:53.944853Z"},{"id":"CVE-2026-25997","title":"FreeRDP has heap-use-after-free in xf_clipboard_format_equal","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_clipboard_format_equal` reads freed `lastSentFormats` memory because `xf_clipboard_formats_free` (called from the cliprdr channel thread during auto-reconnect) frees the array while the X11 event thread concurrently iterates it in `xf_clipboard_changed`, triggering a heap use after free. Version 3.23.0 fixes the issue.","status":"published","published":"2026-02-25T20:38:40.483Z","modified":"2026-10-28T11:09:52.522237994Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:44:59.80315Z"},{"id":"DEBIAN-CVE-2026-25997","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_clipboard_format_equal` reads freed `lastSentFormats` memory because `xf_clipboard_formats_free` (called from the cliprdr channel thread during auto-reconnect) frees the array while the X11 event thread concurrently iterates it in `xf_clipboard_changed`, triggering a heap use after free. Version 3.23.0 fixes the issue.","status":"published","published":"2026-02-25T21:16:42.21Z","modified":"2026-10-01T03:02:32.768090098Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"OESA-2026-1516","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s\nopen specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22852)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when the `cbAttrLen` parameter does not match the actual NDR (Network Data Representation) buffer length. An attacker could potentially exploit this vulnerability to read sensitive information from process memory or cause the application to crash.(CVE-2026-22855)\n\nA malicious server can trigger a client-side use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22856)\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. The vulnerability exists in the irp_thread_func function.(CVE-2026-22857)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22859)\n\nA heap-based buffer overflow vulnerability exists in FreeRDP within the planar_decompress_plane_rle function, which may lead to memory corruption and arbitrary code execution.(CVE-2026-23530)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a heap buffer overflow vulnerability existed in the ClearCodec component. Specifically, when `glyphData` is present, the `clear_decompress` function calls `freerdp_image_copy_no_overlap` without validating the destination rectangle. This allows for out-of-bounds read/write operations when processing crafted RDPGFX surface updates. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23531)\n\nA heap-buffer-overflow vulnerability exists in FreeRDP software that could allow an attacker to execute arbitrary code or cause denial of service on affected systems. This vulnerability affects the gdi_SurfaceToSurface function and is present in versions 3.20.2 and earlier.(CVE-2026-23532)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the RDPGFX ClearCodec decode path, specifically in the `clear_decompress_residual_data` function. When processing maliciously crafted residual data, out-of-bounds writes occur during color output. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23533)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the ClearCodec bands decode path. When a malicious server sends crafted band coordinates, it allows writes past the end of the destination surface buffer. This can be exploited to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potentially leading to heap corruption with the risk of arbitrary code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23534)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the FastGlyph parsing process trusts `cbData`/remaining length but never validates it against the minimum size implied by `cx`/`cy`. A malicious server can exploit this vulnerability to trigger a client-side global heap buffer overflow, causing a crash and resulting in a denial of service.(CVE-2026-23732)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the `xf_Pointer_New` function frees the `cursorPixels` memory on failure. Subsequently, the `pointer_free` function calls `xf_Pointer_Free`, which attempts to free the same memory again, triggering an AddressSanitizer (ASan) detected use-after-free (UAF). A malicious server can trigger a client-side use-after-free, causing a crash (Denial of Service) and potentially leading to heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23883)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a use-after-free vulnerability exists. Specifically, the deletion of an offscreen bitmap leaves the `gdi-\u0026gt;drawing` pointer referencing freed memory. When subsequent related update packets are processed, this leads to a use-after-free condition. A malicious server can exploit this vulnerability when a client connects, causing a client-side crash (Denial of Service) and potentially leading to heap corruption. Depending on allocator behavior and heap layout, there is a risk of arbitrary code execution.(CVE-2026-23884)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24491)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24675)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin-\u0026gt;format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.(CVE-2026-24676)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24679)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24681)\n\nA malicious server can trigger a client‑side heap buffer over flow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24682)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24683)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24684)\n\nThis is an out-of-bounds read vulnerability affecting FreeRDP clients. A malicious RDP server can exploit this to:\n\n1. **Information Disclosure**: Read sensitive data from the client\u0026apos;s heap memory\n2. **Denial of Service**: Cause client crashes through memory access violations\n\nThe attack requires user interaction (connecting to a malicious server), but no authentication is needed on the server side.(CVE-2026-25941)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25997)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a buffer overread in `freerdp_image_copy_from_icon_data()` (libfreerdp/codec/color.c) can be triggered by crafted RDP Window Icon (TS_ICON_INFO) data. The bug is reachable over the network when a client processes icon data from an RDP server (or from a man-in-the-middle). Version 3.23.0 fixes the issue.(CVE-2026-26271)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `rail_window_free` dereferences a freed `xfAppWindow` pointer during `HashTable_Free` cleanup because `xf_rail_window_common` calls `free(appWindow)` on title allocation failure without first removing the entry from the `railWindows` hash table, leaving a dangling pointer that is freed again on disconnect. Version 3.23.0 fixes the vulnerability.(CVE-2026-26986)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a missing bounds check in `smartcard_unpack_read_size_align()` (`libfreerdp/utils/smartcard_pack.c:1703`) allows a malicious RDP server to crash the FreeRDP client via a reachable `WINPR_ASSERT` → `abort()`. The crash occurs in upstream builds where `WITH_VERBOSE_WINPR_ASSERT=ON` (default in FreeRDP 3.22.0 / current WinPR CMake defaults). Smartcard redirection must be explicitly enabled by the user (e.g., `xfreerdp /smartcard`; `/smartcard-logon` implies `/smartcard`). Version 3.23.0 fixes the issue.(CVE-2026-27015)","status":"published","published":"2026-03-06T11:10:31Z","modified":"2026-08-18T01:19:36.288089588Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"OESA-2026-1517","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s\nopen specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22852)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when the `cbAttrLen` parameter does not match the actual NDR (Network Data Representation) buffer length. An attacker could potentially exploit this vulnerability to read sensitive information from process memory or cause the application to crash.(CVE-2026-22855)\n\nA malicious server can trigger a client-side use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22856)\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. The vulnerability exists in the irp_thread_func function.(CVE-2026-22857)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22859)\n\nA heap-based buffer overflow vulnerability exists in FreeRDP within the planar_decompress_plane_rle function, which may lead to memory corruption and arbitrary code execution.(CVE-2026-23530)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a heap buffer overflow vulnerability existed in the ClearCodec component. Specifically, when `glyphData` is present, the `clear_decompress` function calls `freerdp_image_copy_no_overlap` without validating the destination rectangle. This allows for out-of-bounds read/write operations when processing crafted RDPGFX surface updates. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23531)\n\nA heap-buffer-overflow vulnerability exists in FreeRDP software that could allow an attacker to execute arbitrary code or cause denial of service on affected systems. This vulnerability affects the gdi_SurfaceToSurface function and is present in versions 3.20.2 and earlier.(CVE-2026-23532)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the RDPGFX ClearCodec decode path, specifically in the `clear_decompress_residual_data` function. When processing maliciously crafted residual data, out-of-bounds writes occur during color output. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23533)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the ClearCodec bands decode path. When a malicious server sends crafted band coordinates, it allows writes past the end of the destination surface buffer. This can be exploited to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potentially leading to heap corruption with the risk of arbitrary code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23534)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the FastGlyph parsing process trusts `cbData`/remaining length but never validates it against the minimum size implied by `cx`/`cy`. A malicious server can exploit this vulnerability to trigger a client-side global heap buffer overflow, causing a crash and resulting in a denial of service.(CVE-2026-23732)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the `xf_Pointer_New` function frees the `cursorPixels` memory on failure. Subsequently, the `pointer_free` function calls `xf_Pointer_Free`, which attempts to free the same memory again, triggering an AddressSanitizer (ASan) detected use-after-free (UAF). A malicious server can trigger a client-side use-after-free, causing a crash (Denial of Service) and potentially leading to heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23883)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a use-after-free vulnerability exists. Specifically, the deletion of an offscreen bitmap leaves the `gdi-\u0026gt;drawing` pointer referencing freed memory. When subsequent related update packets are processed, this leads to a use-after-free condition. A malicious server can exploit this vulnerability when a client connects, causing a client-side crash (Denial of Service) and potentially leading to heap corruption. Depending on allocator behavior and heap layout, there is a risk of arbitrary code execution.(CVE-2026-23884)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24491)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24675)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin-\u0026gt;format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.(CVE-2026-24676)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24679)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24681)\n\nA malicious server can trigger a client‑side heap buffer over flow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24682)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24683)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24684)\n\nThis is an out-of-bounds read vulnerability affecting FreeRDP clients. A malicious RDP server can exploit this to:\n\n1. **Information Disclosure**: Read sensitive data from the client\u0026apos;s heap memory\n2. **Denial of Service**: Cause client crashes through memory access violations\n\nThe attack requires user interaction (connecting to a malicious server), but no authentication is needed on the server side.(CVE-2026-25941)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25997)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a buffer overread in `freerdp_image_copy_from_icon_data()` (libfreerdp/codec/color.c) can be triggered by crafted RDP Window Icon (TS_ICON_INFO) data. The bug is reachable over the network when a client processes icon data from an RDP server (or from a man-in-the-middle). Version 3.23.0 fixes the issue.(CVE-2026-26271)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `rail_window_free` dereferences a freed `xfAppWindow` pointer during `HashTable_Free` cleanup because `xf_rail_window_common` calls `free(appWindow)` on title allocation failure without first removing the entry from the `railWindows` hash table, leaving a dangling pointer that is freed again on disconnect. Version 3.23.0 fixes the vulnerability.(CVE-2026-26986)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a missing bounds check in `smartcard_unpack_read_size_align()` (`libfreerdp/utils/smartcard_pack.c:1703`) allows a malicious RDP server to crash the FreeRDP client via a reachable `WINPR_ASSERT` → `abort()`. The crash occurs in upstream builds where `WITH_VERBOSE_WINPR_ASSERT=ON` (default in FreeRDP 3.22.0 / current WinPR CMake defaults). Smartcard redirection must be explicitly enabled by the user (e.g., `xfreerdp /smartcard`; `/smartcard-logon` implies `/smartcard`). Version 3.23.0 fixes the issue.(CVE-2026-27015)","status":"published","published":"2026-03-06T11:10:31Z","modified":"2026-08-18T01:19:36.253531499Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"OESA-2026-1518","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s\nopen specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22852)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when the `cbAttrLen` parameter does not match the actual NDR (Network Data Representation) buffer length. An attacker could potentially exploit this vulnerability to read sensitive information from process memory or cause the application to crash.(CVE-2026-22855)\n\nA malicious server can trigger a client-side use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22856)\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. The vulnerability exists in the irp_thread_func function.(CVE-2026-22857)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22859)\n\nA heap-based buffer overflow vulnerability exists in FreeRDP within the planar_decompress_plane_rle function, which may lead to memory corruption and arbitrary code execution.(CVE-2026-23530)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a heap buffer overflow vulnerability existed in the ClearCodec component. Specifically, when `glyphData` is present, the `clear_decompress` function calls `freerdp_image_copy_no_overlap` without validating the destination rectangle. This allows for out-of-bounds read/write operations when processing crafted RDPGFX surface updates. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23531)\n\nA heap-buffer-overflow vulnerability exists in FreeRDP software that could allow an attacker to execute arbitrary code or cause denial of service on affected systems. This vulnerability affects the gdi_SurfaceToSurface function and is present in versions 3.20.2 and earlier.(CVE-2026-23532)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the RDPGFX ClearCodec decode path, specifically in the `clear_decompress_residual_data` function. When processing maliciously crafted residual data, out-of-bounds writes occur during color output. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23533)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the ClearCodec bands decode path. When a malicious server sends crafted band coordinates, it allows writes past the end of the destination surface buffer. This can be exploited to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potentially leading to heap corruption with the risk of arbitrary code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23534)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the FastGlyph parsing process trusts `cbData`/remaining length but never validates it against the minimum size implied by `cx`/`cy`. A malicious server can exploit this vulnerability to trigger a client-side global heap buffer overflow, causing a crash and resulting in a denial of service.(CVE-2026-23732)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the `xf_Pointer_New` function frees the `cursorPixels` memory on failure. Subsequently, the `pointer_free` function calls `xf_Pointer_Free`, which attempts to free the same memory again, triggering an AddressSanitizer (ASan) detected use-after-free (UAF). A malicious server can trigger a client-side use-after-free, causing a crash (Denial of Service) and potentially leading to heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23883)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a use-after-free vulnerability exists. Specifically, the deletion of an offscreen bitmap leaves the `gdi-\u0026gt;drawing` pointer referencing freed memory. When subsequent related update packets are processed, this leads to a use-after-free condition. A malicious server can exploit this vulnerability when a client connects, causing a client-side crash (Denial of Service) and potentially leading to heap corruption. Depending on allocator behavior and heap layout, there is a risk of arbitrary code execution.(CVE-2026-23884)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24491)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24675)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin-\u0026gt;format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.(CVE-2026-24676)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24679)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24681)\n\nA malicious server can trigger a client‑side heap buffer over flow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24682)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24683)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24684)\n\nThis is an out-of-bounds read vulnerability affecting FreeRDP clients. A malicious RDP server can exploit this to:\n\n1. **Information Disclosure**: Read sensitive data from the client\u0026apos;s heap memory\n2. **Denial of Service**: Cause client crashes through memory access violations\n\nThe attack requires user interaction (connecting to a malicious server), but no authentication is needed on the server side.(CVE-2026-25941)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25997)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a buffer overread in `freerdp_image_copy_from_icon_data()` (libfreerdp/codec/color.c) can be triggered by crafted RDP Window Icon (TS_ICON_INFO) data. The bug is reachable over the network when a client processes icon data from an RDP server (or from a man-in-the-middle). Version 3.23.0 fixes the issue.(CVE-2026-26271)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `rail_window_free` dereferences a freed `xfAppWindow` pointer during `HashTable_Free` cleanup because `xf_rail_window_common` calls `free(appWindow)` on title allocation failure without first removing the entry from the `railWindows` hash table, leaving a dangling pointer that is freed again on disconnect. Version 3.23.0 fixes the vulnerability.(CVE-2026-26986)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a missing bounds check in `smartcard_unpack_read_size_align()` (`libfreerdp/utils/smartcard_pack.c:1703`) allows a malicious RDP server to crash the FreeRDP client via a reachable `WINPR_ASSERT` → `abort()`. The crash occurs in upstream builds where `WITH_VERBOSE_WINPR_ASSERT=ON` (default in FreeRDP 3.22.0 / current WinPR CMake defaults). Smartcard redirection must be explicitly enabled by the user (e.g., `xfreerdp /smartcard`; `/smartcard-logon` implies `/smartcard`). Version 3.23.0 fixes the issue.(CVE-2026-27015)","status":"published","published":"2026-03-06T11:10:31Z","modified":"2026-08-18T01:19:36.249523897Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"OESA-2026-1519","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s\nopen specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22852)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap-buffer-overflow occurs in drive read when a server-controlled read length is used to read file data into an IRP output stream buffer without a hard upper bound, allowing an oversized read to overwrite heap memory. This vulnerability is fixed in 3.20.1.(CVE-2026-22854)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when the `cbAttrLen` parameter does not match the actual NDR (Network Data Representation) buffer length. An attacker could potentially exploit this vulnerability to read sensitive information from process memory or cause the application to crash.(CVE-2026-22855)\n\nA malicious server can trigger a client-side use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22856)\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. The vulnerability exists in the irp_thread_func function.(CVE-2026-22857)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22859)\n\nA heap-based buffer overflow vulnerability exists in FreeRDP within the planar_decompress_plane_rle function, which may lead to memory corruption and arbitrary code execution.(CVE-2026-23530)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a heap buffer overflow vulnerability existed in the ClearCodec component. Specifically, when `glyphData` is present, the `clear_decompress` function calls `freerdp_image_copy_no_overlap` without validating the destination rectangle. This allows for out-of-bounds read/write operations when processing crafted RDPGFX surface updates. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23531)\n\nA heap-buffer-overflow vulnerability exists in FreeRDP software that could allow an attacker to execute arbitrary code or cause denial of service on affected systems. This vulnerability affects the gdi_SurfaceToSurface function and is present in versions 3.20.2 and earlier.(CVE-2026-23532)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the RDPGFX ClearCodec decode path, specifically in the `clear_decompress_residual_data` function. When processing maliciously crafted residual data, out-of-bounds writes occur during color output. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23533)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the ClearCodec bands decode path. When a malicious server sends crafted band coordinates, it allows writes past the end of the destination surface buffer. This can be exploited to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potentially leading to heap corruption with the risk of arbitrary code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23534)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the FastGlyph parsing process trusts `cbData`/remaining length but never validates it against the minimum size implied by `cx`/`cy`. A malicious server can exploit this vulnerability to trigger a client-side global heap buffer overflow, causing a crash and resulting in a denial of service.(CVE-2026-23732)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the `xf_Pointer_New` function frees the `cursorPixels` memory on failure. Subsequently, the `pointer_free` function calls `xf_Pointer_Free`, which attempts to free the same memory again, triggering an AddressSanitizer (ASan) detected use-after-free (UAF). A malicious server can trigger a client-side use-after-free, causing a crash (Denial of Service) and potentially leading to heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23883)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a use-after-free vulnerability exists. Specifically, the deletion of an offscreen bitmap leaves the `gdi-\u0026gt;drawing` pointer referencing freed memory. When subsequent related update packets are processed, this leads to a use-after-free condition. A malicious server can exploit this vulnerability when a client connects, causing a client-side crash (Denial of Service) and potentially leading to heap corruption. Depending on allocator behavior and heap layout, there is a risk of arbitrary code execution.(CVE-2026-23884)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24491)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24675)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin-\u0026gt;format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.(CVE-2026-24676)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24679)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24681)\n\nA malicious server can trigger a client‑side heap buffer over flow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24682)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24683)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24684)\n\nThis is an out-of-bounds read vulnerability affecting FreeRDP clients. A malicious RDP server can exploit this to:\n\n1. **Information Disclosure**: Read sensitive data from the client\u0026apos;s heap memory\n2. **Denial of Service**: Cause client crashes through memory access violations\n\nThe attack requires user interaction (connecting to a malicious server), but no authentication is needed on the server side.(CVE-2026-25941)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25997)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a buffer overread in `freerdp_image_copy_from_icon_data()` (libfreerdp/codec/color.c) can be triggered by crafted RDP Window Icon (TS_ICON_INFO) data. The bug is reachable over the network when a client processes icon data from an RDP server (or from a man-in-the-middle). Version 3.23.0 fixes the issue.(CVE-2026-26271)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `rail_window_free` dereferences a freed `xfAppWindow` pointer during `HashTable_Free` cleanup because `xf_rail_window_common` calls `free(appWindow)` on title allocation failure without first removing the entry from the `railWindows` hash table, leaving a dangling pointer that is freed again on disconnect. Version 3.23.0 fixes the vulnerability.(CVE-2026-26986)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a missing bounds check in `smartcard_unpack_read_size_align()` (`libfreerdp/utils/smartcard_pack.c:1703`) allows a malicious RDP server to crash the FreeRDP client via a reachable `WINPR_ASSERT` → `abort()`. The crash occurs in upstream builds where `WITH_VERBOSE_WINPR_ASSERT=ON` (default in FreeRDP 3.22.0 / current WinPR CMake defaults). Smartcard redirection must be explicitly enabled by the user (e.g., `xfreerdp /smartcard`; `/smartcard-logon` implies `/smartcard`). Version 3.23.0 fixes the issue.(CVE-2026-27015)","status":"published","published":"2026-03-06T11:10:31Z","modified":"2026-08-18T01:19:36.248061437Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"OESA-2026-1520","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s\nopen specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22852)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap-buffer-overflow occurs in drive read when a server-controlled read length is used to read file data into an IRP output stream buffer without a hard upper bound, allowing an oversized read to overwrite heap memory. This vulnerability is fixed in 3.20.1.(CVE-2026-22854)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when the `cbAttrLen` parameter does not match the actual NDR (Network Data Representation) buffer length. An attacker could potentially exploit this vulnerability to read sensitive information from process memory or cause the application to crash.(CVE-2026-22855)\n\nA malicious server can trigger a client-side use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22856)\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. The vulnerability exists in the irp_thread_func function.(CVE-2026-22857)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22859)\n\nA heap-based buffer overflow vulnerability exists in FreeRDP within the planar_decompress_plane_rle function, which may lead to memory corruption and arbitrary code execution.(CVE-2026-23530)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a heap buffer overflow vulnerability existed in the ClearCodec component. Specifically, when `glyphData` is present, the `clear_decompress` function calls `freerdp_image_copy_no_overlap` without validating the destination rectangle. This allows for out-of-bounds read/write operations when processing crafted RDPGFX surface updates. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23531)\n\nA heap-buffer-overflow vulnerability exists in FreeRDP software that could allow an attacker to execute arbitrary code or cause denial of service on affected systems. This vulnerability affects the gdi_SurfaceToSurface function and is present in versions 3.20.2 and earlier.(CVE-2026-23532)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the RDPGFX ClearCodec decode path, specifically in the `clear_decompress_residual_data` function. When processing maliciously crafted residual data, out-of-bounds writes occur during color output. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23533)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the ClearCodec bands decode path. When a malicious server sends crafted band coordinates, it allows writes past the end of the destination surface buffer. This can be exploited to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potentially leading to heap corruption with the risk of arbitrary code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23534)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the FastGlyph parsing process trusts `cbData`/remaining length but never validates it against the minimum size implied by `cx`/`cy`. A malicious server can exploit this vulnerability to trigger a client-side global heap buffer overflow, causing a crash and resulting in a denial of service.(CVE-2026-23732)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the `xf_Pointer_New` function frees the `cursorPixels` memory on failure. Subsequently, the `pointer_free` function calls `xf_Pointer_Free`, which attempts to free the same memory again, triggering an AddressSanitizer (ASan) detected use-after-free (UAF). A malicious server can trigger a client-side use-after-free, causing a crash (Denial of Service) and potentially leading to heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23883)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a use-after-free vulnerability exists. Specifically, the deletion of an offscreen bitmap leaves the `gdi-\u0026gt;drawing` pointer referencing freed memory. When subsequent related update packets are processed, this leads to a use-after-free condition. A malicious server can exploit this vulnerability when a client connects, causing a client-side crash (Denial of Service) and potentially leading to heap corruption. Depending on allocator behavior and heap layout, there is a risk of arbitrary code execution.(CVE-2026-23884)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24491)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24675)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin-\u0026gt;format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.(CVE-2026-24676)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24679)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24681)\n\nA malicious server can trigger a client‑side heap buffer over flow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24682)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24683)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24684)\n\nThis is an out-of-bounds read vulnerability affecting FreeRDP clients. A malicious RDP server can exploit this to:\n\n1. **Information Disclosure**: Read sensitive data from the client\u0026apos;s heap memory\n2. **Denial of Service**: Cause client crashes through memory access violations\n\nThe attack requires user interaction (connecting to a malicious server), but no authentication is needed on the server side.(CVE-2026-25941)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25997)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a buffer overread in `freerdp_image_copy_from_icon_data()` (libfreerdp/codec/color.c) can be triggered by crafted RDP Window Icon (TS_ICON_INFO) data. The bug is reachable over the network when a client processes icon data from an RDP server (or from a man-in-the-middle). Version 3.23.0 fixes the issue.(CVE-2026-26271)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `rail_window_free` dereferences a freed `xfAppWindow` pointer during `HashTable_Free` cleanup because `xf_rail_window_common` calls `free(appWindow)` on title allocation failure without first removing the entry from the `railWindows` hash table, leaving a dangling pointer that is freed again on disconnect. Version 3.23.0 fixes the vulnerability.(CVE-2026-26986)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a missing bounds check in `smartcard_unpack_read_size_align()` (`libfreerdp/utils/smartcard_pack.c:1703`) allows a malicious RDP server to crash the FreeRDP client via a reachable `WINPR_ASSERT` → `abort()`. The crash occurs in upstream builds where `WITH_VERBOSE_WINPR_ASSERT=ON` (default in FreeRDP 3.22.0 / current WinPR CMake defaults). Smartcard redirection must be explicitly enabled by the user (e.g., `xfreerdp /smartcard`; `/smartcard-logon` implies `/smartcard`). Version 3.23.0 fixes the issue.(CVE-2026-27015)","status":"published","published":"2026-03-06T11:10:31Z","modified":"2026-08-18T01:19:40.269923675Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"OESA-2026-1521","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s\nopen specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22852)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when the `cbAttrLen` parameter does not match the actual NDR (Network Data Representation) buffer length. An attacker could potentially exploit this vulnerability to read sensitive information from process memory or cause the application to crash.(CVE-2026-22855)\n\nA malicious server can trigger a client-side use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22856)\n\nA malicious server can trigger a client-side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout. The vulnerability exists in the irp_thread_func function.(CVE-2026-22857)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-22859)\n\nA heap-based buffer overflow vulnerability exists in FreeRDP within the planar_decompress_plane_rle function, which may lead to memory corruption and arbitrary code execution.(CVE-2026-23530)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a heap buffer overflow vulnerability existed in the ClearCodec component. Specifically, when `glyphData` is present, the `clear_decompress` function calls `freerdp_image_copy_no_overlap` without validating the destination rectangle. This allows for out-of-bounds read/write operations when processing crafted RDPGFX surface updates. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23531)\n\nA heap-buffer-overflow vulnerability exists in FreeRDP software that could allow an attacker to execute arbitrary code or cause denial of service on affected systems. This vulnerability affects the gdi_SurfaceToSurface function and is present in versions 3.20.2 and earlier.(CVE-2026-23532)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the RDPGFX ClearCodec decode path, specifically in the `clear_decompress_residual_data` function. When processing maliciously crafted residual data, out-of-bounds writes occur during color output. A malicious server can exploit this to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potential heap corruption. Depending on allocator behavior and surrounding heap layout, there is a risk of arbitrary code execution.(CVE-2026-23533)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 3.21.0, a client-side heap buffer overflow vulnerability exists in the ClearCodec bands decode path. When a malicious server sends crafted band coordinates, it allows writes past the end of the destination surface buffer. This can be exploited to trigger a client-side heap buffer overflow, causing a crash (Denial of Service) and potentially leading to heap corruption with the risk of arbitrary code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23534)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the FastGlyph parsing process trusts `cbData`/remaining length but never validates it against the minimum size implied by `cx`/`cy`. A malicious server can exploit this vulnerability to trigger a client-side global heap buffer overflow, causing a crash and resulting in a denial of service.(CVE-2026-23732)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, the `xf_Pointer_New` function frees the `cursorPixels` memory on failure. Subsequently, the `pointer_free` function calls `xf_Pointer_Free`, which attempts to free the same memory again, triggering an AddressSanitizer (ASan) detected use-after-free (UAF). A malicious server can trigger a client-side use-after-free, causing a crash (Denial of Service) and potentially leading to heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-23883)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a use-after-free vulnerability exists. Specifically, the deletion of an offscreen bitmap leaves the `gdi-\u0026gt;drawing` pointer referencing freed memory. When subsequent related update packets are processed, this leads to a use-after-free condition. A malicious server can exploit this vulnerability when a client connects, causing a client-side crash (Denial of Service) and potentially leading to heap corruption. Depending on allocator behavior and heap layout, there is a risk of arbitrary code execution.(CVE-2026-23884)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24491)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24675)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, AUDIN format renegotiation frees the active format list while the capture thread continues using audin-\u0026gt;format, leading to a use after free in audio_format_compatible. This vulnerability is fixed in 3.22.0.(CVE-2026-24676)\n\nA malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24679)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24681)\n\nA malicious server can trigger a client‑side heap buffer over flow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24682)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24683)\n\nA malicious server can trigger a client‑side heap use after free, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-24684)\n\nThis is an out-of-bounds read vulnerability affecting FreeRDP clients. A malicious RDP server can exploit this to:\n\n1. **Information Disclosure**: Read sensitive data from the client\u0026apos;s heap memory\n2. **Denial of Service**: Cause client crashes through memory access violations\n\nThe attack requires user interaction (connecting to a malicious server), but no authentication is needed on the server side.(CVE-2026-25941)\n\nA malicious server can trigger a client-side heap use after free, causing a crash (DoS) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25997)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a buffer overread in `freerdp_image_copy_from_icon_data()` (libfreerdp/codec/color.c) can be triggered by crafted RDP Window Icon (TS_ICON_INFO) data. The bug is reachable over the network when a client processes icon data from an RDP server (or from a man-in-the-middle). Version 3.23.0 fixes the issue.(CVE-2026-26271)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `rail_window_free` dereferences a freed `xfAppWindow` pointer during `HashTable_Free` cleanup because `xf_rail_window_common` calls `free(appWindow)` on title allocation failure without first removing the entry from the `railWindows` hash table, leaving a dangling pointer that is freed again on disconnect. Version 3.23.0 fixes the vulnerability.(CVE-2026-26986)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a missing bounds check in `smartcard_unpack_read_size_align()` (`libfreerdp/utils/smartcard_pack.c:1703`) allows a malicious RDP server to crash the FreeRDP client via a reachable `WINPR_ASSERT` → `abort()`. The crash occurs in upstream builds where `WITH_VERBOSE_WINPR_ASSERT=ON` (default in FreeRDP 3.22.0 / current WinPR CMake defaults). Smartcard redirection must be explicitly enabled by the user (e.g., `xfreerdp /smartcard`; `/smartcard-logon` implies `/smartcard`). Version 3.23.0 fixes the issue.(CVE-2026-27015)","status":"published","published":"2026-03-06T11:10:32Z","modified":"2026-08-18T01:19:35.897826477Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"RHSA-2026:16014","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-12T10:06:34Z","modified":"2026-10-07T10:06:17Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:19142","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-20T10:10:01Z","modified":"2026-10-07T10:07:11Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:20605","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-26T10:07:47Z","modified":"2026-10-07T10:07:42Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"RLSA-2026:16014","title":"Moderate: freerdp security update","description":"FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.\n\nSecurity Fix(es):\n\n* freerdp: FreeRDP: Denial of service via heap use-after-free during auto-reconnect (CVE-2026-25997)\n\n* freerdp: FreeRDP: Denial of service due to use-after-free vulnerability (CVE-2026-25952)\n\n* freerdp: FreeRDP: Denial of Service via double free vulnerability during disconnect (CVE-2026-26986)\n\n* freerdp: FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId (CVE-2026-29775)\n\n* freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks (CVE-2026-31885)\n\n* freerdp: FreeRDP has a division-by-zero in ADPCM decoders when `nBlockAlign` is 0 (CVE-2026-31884)\n\n* freerdp: FreeRDP: Denial of Service via crafted audio data in RDP (CVE-2026-31883)\n\n* FreeRDP: FreeRDP: Information disclosure via heap memory out of bounds read (CVE-2026-33985)\n\n* FreeRDP: FreeRDP: Information disclosure and denial of service via heap-buffer-overflow read (CVE-2026-33982)\n\n* FreeRDP: FreeRDP: Memory corruption vulnerability allows denial of service or arbitrary code execution (CVE-2026-33987)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-05-13T12:06:54.356511Z","modified":"2026-05-13T12:33:11.046299Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"RLSA-2026:19142","title":"Moderate: freerdp security update","description":"FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.\n\nSecurity Fix(es):\n\n* freerdp: FreeRDP: Denial of service via heap use-after-free during auto-reconnect (CVE-2026-25997)\n\n* freerdp: FreeRDP: Denial of service due to use-after-free vulnerability (CVE-2026-25952)\n\n* freerdp: FreeRDP: Denial of Service via double free vulnerability during disconnect (CVE-2026-26986)\n\n* freerdp: FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId (CVE-2026-29775)\n\n* freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks (CVE-2026-31885)\n\n* freerdp: FreeRDP has a division-by-zero in ADPCM decoders when `nBlockAlign` is 0 (CVE-2026-31884)\n\n* freerdp: FreeRDP: Denial of Service via crafted audio data in RDP (CVE-2026-31883)\n\n* FreeRDP: FreeRDP: Information disclosure via heap memory out of bounds read (CVE-2026-33985)\n\n* FreeRDP: FreeRDP: Information disclosure and denial of service via heap-buffer-overflow read (CVE-2026-33982)\n\n* FreeRDP: FreeRDP: Memory corruption vulnerability allows denial of service or arbitrary code execution (CVE-2026-33987)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-05-29T16:03:24.060458Z","modified":"2026-05-29T16:30:45.677211069Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"UBUNTU-CVE-2026-25997","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `xf_clipboard_format_equal` reads freed `lastSentFormats` memory because `xf_clipboard_formats_free` (called from the cliprdr channel thread during auto-reconnect) frees the array while the X11 event thread concurrently iterates it in `xf_clipboard_changed`, triggering a heap use after free. Version 3.23.0 fixes the issue.","status":"published","published":"2026-02-25T21:16:00Z","modified":"2026-06-16T13:30:34.671085355Z","cvss":[{"version":"4.0","score":5.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:56:08.726452Z"},{"id":"ALSA-2026:16014","title":"Moderate: freerdp security update","description":"FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.  \n\nSecurity Fix(es):  \n\n  * freerdp: FreeRDP: Denial of service via heap use-after-free during auto-reconnect (CVE-2026-25997)\n  * freerdp: FreeRDP: Denial of service due to use-after-free vulnerability (CVE-2026-25952)\n  * freerdp: FreeRDP: Denial of Service via double free vulnerability during disconnect (CVE-2026-26986)\n  * freerdp: FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId (CVE-2026-29775)\n  * freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks (CVE-2026-31885)\n  * freerdp: FreeRDP has a division-by-zero in ADPCM decoders when `nBlockAlign` is 0 (CVE-2026-31884)\n  * freerdp: FreeRDP: Denial of Service via crafted audio data in RDP (CVE-2026-31883)\n  * FreeRDP: FreeRDP: Information disclosure via heap memory out of bounds read (CVE-2026-33985)\n  * FreeRDP: FreeRDP: Information disclosure and denial of service via heap-buffer-overflow read (CVE-2026-33982)\n  * FreeRDP: FreeRDP: Memory corruption vulnerability allows denial of service or arbitrary code execution (CVE-2026-33987)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-05-11T00:00:00Z","modified":"2026-10-29T11:58:17.780066Z","updated_at":"2026-11-02T15:27:53.875139Z"},{"id":"MGASA-2026-0383","title":"Updated freerdp packages fix security vulnerabilities","description":"Updated packages bring lot of security fixes. Please see the links for\nadditional information.\n","status":"published","published":"2026-09-08T02:47:35Z","modified":"2026-09-08T12:40:27.9536564Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"openSUSE-SU-2026:10408-1","title":"freerdp-3.24.1-1.1 on GA media","description":"These are all security issues fixed in the freerdp-3.24.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-03-23T00:00:00Z","modified":"2026-03-24T08:45:06.811266Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:10611-1","title":"freerdp2-2.11.7-8.1 on GA media","description":"These are all security issues fixed in the freerdp2-2.11.7-8.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-04-25T00:00:00Z","modified":"2026-04-26T09:45:21.808351Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:20632-1","title":"Security update for freerdp2","description":"This update for freerdp2 fixes the following issues:\n\nChanges in freerdp2:\n\n- Update freerdp-3-macro:\n  + Add WINPR_ATTR_MALLOC macro from freerdp 3\n\n- Security fixes for the following issues:\n  * CVE-2026-25941: Fixed a out of bounds read (bsc#1258919)\n  * CVE-2026-25942: Fixed a buffer overflow in xf_rail_server_execute_result() (bsc#1258920)\n  * CVE-2026-27951: Fixed a denial of service in Stream_EnsureCapacity() (bsc#1258939)\n  * CVE-2026-25997: Fixed a use-after-free in xf_clipboard_format_equal() (bsc#1258977)\n  * CVE-2026-26986: Fixed a use-after-free in rail_window_free() (bsc#1258967)\n  * CVE-2026-27015: Fixed a client denial of service via reachable assert (bsc#1258987)\n  * CVE-2026-25952: Fixed a use-after-free in xf_SetWindowMinMaxInfo() (bsc#1258921)\n  * CVE-2026-25953: Fixed a use-after-free in xf_AppUpdateWindowFromSurface() (bsc#1258923)\n  * CVE-2026-25954: Fixed a use-after-free in xf_rail_server_local_move_size() (bsc#1258924)\n  * CVE-2026-24684: Fixed a use-after-free in play_thread() (bsc#1257991).\n  * CVE-2026-26271: Fixed a buffer overread in icon processing (bsc#1258979)\n  * CVE-2026-26955: Fixed a out of bounds write (bsc#1258982)\n  * CVE-2026-26965: Fixed a out of bounds write (bsc#1258985)\n  * CVE-2026-31806: Fixed a buffer overflow via improper validation of server messages (bsc#1259653)\n  * CVE-2026-31883: Fixed a buffer overflow via crafted audio format and wave data (bsc#1259679)\n  * CVE-2026-31885: Fixed a out of bounds read (bsc#1259686)\n  * CVE-2026-24491: Fix use-after-free that was accidentally introduced in the backport (bsc#1257981)\n  * CVE-2026-22855: Fixed a buffer overflow in smartcard_unpack_set_attrib_call() (bsc#1256721)\n  * CVE-2026-22857: Fixed a use-after-free in irp_thread_func() (bsc#1256723)\n  * CVE-2026-23533: Fixed a buffer overflow in clear_decompress_residual_data() (bsc#1256943)\n  * CVE-2026-23732: Fixed a buffer overflow in Glyph_Alloc() (bsc#1256945)\n  * CVE-2026-23883: Fixed a use-after-free (bsc#1256946)\n  * CVE-2026-23884: Fixed a use-after-free in gdi_set_bounds (bsc#1256947)\n","status":"published","published":"2026-04-27T13:16:46Z","modified":"2026-04-29T08:01:31.881823Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"openSUSE-SU-2026:20657-1","title":"Security update for freerdp","description":"This update for freerdp fixes the following issues:\n\nUpdate to version 3.24.2.\n\nSecurity issues fixed:\n\n- CVE-2026-25941: out-of-bounds read in the FreeRDP client RDPGFX channel (bsc#1258919).\n- CVE-2026-25942: buffer overflow of global array in `xf_rail_server_execute_result` (bsc#1258920).\n- CVE-2026-25952: heap use-after-free in `xf_SetWindowMinMaxInfo` (bsc#1258921).\n- CVE-2026-25953: heap use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258923).\n- CVE-2026-25954: heap use-after-free in `xf_rail_server_local_move_size` (bsc#1258924).\n- CVE-2026-25955: heap use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258973).\n- CVE-2026-25959: heap use-after-free in `xf_cliprdr_provide_data_` (bsc#1258976).\n- CVE-2026-25997: heap use-after-free in `xf_clipboard_format_equal` (bsc#1258977).\n- CVE-2026-26271: buffer overread in FreeRDP icon processing (bsc#1258979).\n- CVE-2026-26955: out-of-bounds write in FreeRDP clients using the GDI surface pipeline (bsc#1258982).\n- CVE-2026-26965: out-of-bounds write in FreeRDP client RLE planar decode path (bsc#1258985).\n- CVE-2026-29774: heap buffer overflow in the FreeRDP client's AVC420/AVC444 YUV-to-RGB conversion path (bsc#1259689).\n- CVE-2026-29775: out-of-bounds access in the FreeRDP client bitmap cache subsystem (bsc#1259684).\n- CVE-2026-29776: integer underflow in `update_read_cache_bitmap_order` (bsc#1259692).\n- CVE-2026-31806: heap buffer overflow in `nsc_process_message` (bsc#1259653).\n- CVE-2026-31883: heap buffer overwrite due to a `size_t` underflow in the IMA-ADPCM and MS-ADPCM audio decoders\n  (bsc#1259679).\n- CVE-2026-31884: division by zero in MS-ADPCM and IMA-ADPCM decoders (bsc#1259680).\n- CVE-2026-31885: out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders (bsc#1259686).\n- CVE-2026-31897: out-of-bounds read in `freerdp_bitmap_decompress_planar` (bsc#1259693).\n- CVE-2026-33952: client-side crash due to `WINPR_ASSERT()` failure in `rts_read_auth_verifier_no_checks()`\n  (bsc#1261196).\n- CVE-2026-33977: client-side crash due to `WINPR_ASSERT()` failure in IMA ADPCM audio decoder (bsc#1261198).\n- CVE-2026-33982: heap buffer overread in in `winpr_aligned_offset_recalloc` (bsc#1261222).\n- CVE-2026-33983: undefined behavior and resource exhaustion via 80 billion iteration loop in\n  `progressive_decompress_tile_upgrade` (bsc#1261200).\n- CVE-2026-33984: heap buffer overflow in ClearCodec `resize_vbar_entry` (bsc#1261211).\n- CVE-2026-33985: heap out-of-bounds read in `clear_decompress_glyph_data` (bsc#1261217).\n- CVE-2026-33986: heap out-of-bounds write due to H.264 YUV buffer dimension desync (bsc#1261223).\n- CVE-2026-33987: heap out-of-bounds write due to persistent cache bmpSize desync (bsc#1261226).\n- CVE-2026-33995: double-free vulnerability in `kerberos_AcceptSecurityContext` and\n  `kerberos_InitializeSecurityContextA` (bsc#1261227).\n\nOther updates and bugfixes:\n\n- Version 3.24.2:\n  * [channels,video] fix wrong cast (#12511)\n  * [codec,openh264] reject encoder ABI mismatch on runtime-loaded library (#12510)\n  * [client,sdl] create a copy of rdpPointer (#12512)\n  * [codec,video] properly pass intermediate format (#12518)\n  * [utils, signal] lazily initialize Windows CRITICAL_SECTION to match POSIX static mutex behavior (#12520) winpr:\n    improve libunwind backtraces (#12530)\n  * [server,shadow] remember selected caps (#12528)\n  * Zero credential data before free in NLA and NTLM context (#12532)\n  * [server,proxy] ignore missing client in input channel (#12536)\n  * [server,proxy] ignore rdpdr messages (#12537)\n  * [winpr,sspi] improve kerberos logging (#12538)\n  * Codec fixes (#12542)\n\n- Version 3.24.1:\n  * [warnings] fix various sign and cast warnings (#12480)\n  * [client,x11] start with xfc-\u003eremote_app = TRUE; (#12491)\n  * Sam file read regression fix (#12484)\n  * [ncrypt,smartcardlogon] support ECC keys in PKCS#11 smartcard enumeration (#12490)\n  * Fix: memory leak in rdp_client_establish_keys() (#12494)\n  * Fix memory leak in freerdp_settings_int_buffer_copy() on error paths (libfreerdp/core/settings.c) (#12486)\n  * Code Cleanups (#12493)\n  * Fix: memory leak in PCSC_SCardListReadersW() (#12495)\n  * [channels,telemetry] use dynamic logging (#12496)\n  * [channel,gfx] use generic plugin log (@12498, #12499)\n  * [channels,audin] set error when audio_format_read fails (#12500)\n  * [channels,video] unify error handling (#12502)\n  * Fastpath fine grained lock (#12503)\n  * [core,update] make the PlaySound callback non-mandatory (#12504)\n  * Refinements: RPM build updates, FIPS improvements (#12506)\n\n- Version 3.24.0:\n  * Completed the [[nodiscard]] marking of the API to warn about problematic\n  * unchecked use of functions\n  * Added full C23 support (default stays at C11) to allow new compilers\n  * to do stricter checking\n  * Improved X11 and SDL3 clients\n  * Improved smartcard support\n  * proxy now supports RFX graphics mode\n  * Attribute nodiscard related chanes (#12325, #12360, #12395, #12406, #12421, #12426, #12177, #12403, #12405, #12407,\n    #12409, #12408, #12412, #12413)\n  * c23 related improvements (#12368, #12371, #12379, #12381, #12383, #12385, #12386, #12387, #12384)\n  * Generic code cleanups (#12382, #12439, #12455, #12462, #12399, #12473) [core,utils] ignore NULL values in\n    remove_rdpdr_type (#12372)\n  * [codec,fdk] revert use of WinPR types (#12373)\n  * [core,gateway] ignore incomplete rpc header (#12375, #12376)\n  * [warnings] make function declaration names consistent (#12377)\n  * [libfreerdp] Add new define for logon error info (#12380)\n  * [client,x11] improve rails window locking (#12392)\n  * Reload fix missing null checks (#12396)\n  * Bounds checks (#12400)\n  * [server,proxy] check for nullptr before using scard_call_context (#12404)\n  * [uwac] fix rectangular glitch around surface damage regions (#12410)\n  * Address various error handling inconsistencies (#12411)\n  * [core,server] Improve WTS API locking (#12414)\n  * Address some GCC compile issues (#12415, #12420)\n  * Winpr atexit (#12416)\n  * [winpr,smartcard] fix function pointer casts (#12422)\n  * Xf timer fix (#12423)\n  * [client,sdl] workaround for wlroots compositors (#12425)\n  * [client,sdl] fix SdlWindow::query (#12378)\n  * [winpr,smartcard] fix PCSC_ReleaseCardContext (#12427)\n  * [client,x11] eliminate obsolete compile flags (#12428)\n  * [client,common] skip sending input events when not connected (#12429)\n  * Input connected checks (#12430)\n  * Floatbar and display channel improvements (#12431)\n  * [winpr,platform] fix WINPR_ATTR_NODISCARD definition (#12432)\n  * [client] Fix writing of gatewayusagemethod to .rdp files (#12433)\n  * Nodiscard finetune (#12435)\n  * [core] fix missing gateway credential sync (#12436)\n  * [client,sdl3] limit FREERDP_WLROOTS_HACK (#12441)\n  * [core,settings] Allow FreeRDP_instance in setter (#12442)\n  * [codec,h264] make log message trace (#12444)\n  * X11 rails improve (#12440)\n  * [codec,nsc] limit copy area in nsc_process_message (#12448)\n  * Proxy support RFX and NSC settings (#12449)\n  * [client,common] display a shortened help on parsing issues (#12450)\n  * [winpr,smartcard] refine locking for pcsc layer (#12451)\n  * [codec,swscale] allow runtime loading of swscale (#12452)\n  * Swscale fallback (#12454)\n  * Sdl multi scaling support (#12456)\n  * [packaging,flatpak] update runtime and dependencies (#12457)\n  * [codec,video] add doxygen version details (#12458)\n  * [github,templates] update templates (#12460)\n  * [client,sdl] allow FREERDP_WLROOTS_HACK for all sessions (#12461)\n  * [warnings,nodiscard] add log messages for failures (#12463)\n  * [gdi,gdi] ignore empty rectangles (#12467)\n  * Smartcard fix smartcard-login, pass rdpContext for abort (#12466)\n  * [winpr,smartcard] fix compiler warnings (#12469)\n  * [winpr,timezone] fix search for transition dates (#12468)\n  * [client,common] improve /p help (#12471)\n  * Scard logging refactored (#12472)\n  * [emu,scard] fix smartcard emulation (#12475)\n  * Sdl null cursor (#12474)\n\n- Version 3.23.0:\n  * Sdl cleanup (#12202)\n  * [client,sdl] do not apply window offset (#12205)\n  * [client,sdl] add SDL_Error to exceptions (#12214)\n  * Rdp monitor log (#12215)\n  * [winpr,smartcard] implement some attributes (#12213)\n  * [client,windows] Fix return value checks for mouse event functions (#12279)\n  * [channels,rdpecam] fix sws context checks (#12272)\n  * [client,windows] Enhance error handling and context validation (#12264)\n  * [client,windows] Add window handle validation in RDP_EVENT_TYPE_WINDOW_NEW (#12261)\n  * [client,sdl] fix multimon/fullscreen on wayland (#12248)\n  * Vendor by app (#12207)\n  * [core,gateway] relax TSG parsing (#12283)\n  * [winpr,smartcard] simplify PCSC_ReadDeviceSystemName (#12273)\n  * [client,windows] Implement complete keyboard indicator synchronization (#12268)\n  * Fixes more more more (#12286)\n  * Use application details for names (#12285)\n  * warning cleanups (#12289)\n  * Warning cleanup (#12291)\n  * [client,windows] Enhance memory safety with NULL checks and resource protection (#12271)\n  * [client,x11] apply /size:xx% only once (#12293)\n  * Freerdp config test (#12295)\n  * [winpr,smartcard] fix returned attribute length (#12296)\n  * [client,SDL3] Fix properly handle smart-sizing with fullscreen (#12298)\n  * [core,test] fix use after free (#12299)\n  * Sign warnings (#12300)\n  * [cmake,compiler] disable -Wjump-misses-init (#12301)\n  * [codec,color] fix input length checks (#12302)\n  * [client,sdl] improve cursor updates, fix surface sizes (#12303)\n  * Sdl fullscreen (#12217)\n  * [client,sdl] fix move constructor of SdlWindow (#12305)\n  * [utils,smartcard] check stream length on padding (#12306)\n  * [android] Fix invert scrolling default value mismatch (#12309)\n  * Clear fix bounds checks (#12310)\n  * Winpr attr nodiscard fkt ptr (#12311)\n  * [codec,planar] fix missing destination bounds checks (#12312)\n  * [codec,clear] fix destination checks (#12315)\n  * NSC Codec fixes (#12317)\n  * Freerdp api nodiscard (#12313)\n  * [allocations] fix growth of preallocated buffers (#12319)\n  * Rdpdr simplify (#12320)\n  * Resource fix (#12323)\n  * [winpr,utils] ensure message queue capacity (#12322)\n  * [server,shadow] fix return and parameter checks (#12330)\n  * Shadow fixes (#12331)\n  * [rdtk,nodiscard] mark rdtk API nodiscard (#12329)\n  * [client,x11] fix XGetWindowProperty return handling (#12334)\n  * Win32 signal (#12335)\n  * [channel,usb] fix message parsing and creation (#12336)\n  * [cmake] Define WINPR_DEFINE_ATTR_NODISCARD (#12338)\n  * Proxy config fix (#12345)\n  * [codec,progressive] refine progressive decoding (#12347)\n  * [client,sdl] fix sdl_Pointer_New (#12350)\n  * [core,gateway] parse [MS-TSGU] 2.2.10.5 HTTP_CHANNEL_RESPONSE_OPTIONAL (#12353)\n  * X11 kbd sym (#12354)\n  * Windows compile warning fixes (#12357,#12358,#12359)\n","status":"published","published":"2026-04-30T16:54:03Z","modified":"2026-05-05T18:23:59.134007Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"SUSE-SU-2026:1632-1","title":"Security update for freerdp","description":"This update for freerdp fixes the following issues:\n\n- CVE-2026-25941: Out-of-Bounds Read in client RDPGFX channel via crafted `WIRE_TO_SURFACE_2` PDU (bsc#1258919).\n- CVE-2026-25942: Global-buffer-overflow in `xf_rail_server_execute_result` (bsc#1258920).\n- CVE-2026-25952: Heap-use-after-free in `xf_SetWindowMinMaxInfo` (bsc#1258921).\n- CVE-2026-25953: Heap-use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258923).\n- CVE-2026-25954: Heap-use-after-free in `xf_rail_server_local_move_size` (bsc#1258924).\n- CVE-2026-25997: Heap-use-after-free in `xf_clipboard_format_equal` (bsc#1258977).\n- CVE-2026-26986: Heap-use-after-free in `rail_window_free` (bsc#1258967).\n- CVE-2026-27015: Smartcard NDR alignment padding triggers reachable `WINPR_ASSERT` abort (bsc#1258987).\n- CVE-2026-27951: Denial of service via endless blocking loop in `Stream_EnsureCapacity` (bsc#1258939).\n- CVE-2026-29774: Missing bounds validation can cause a client-side heap buffer overflow (bsc#1259689).\n- CVE-2026-29775: Malicious server can trigger a client-side heap out-of-bounds access (bsc#1259684).\n- CVE-2026-29776: Missing length check can lead to an integer underflow (bsc#1259692).\n- CVE-2026-31897: Missing length check can cause an out-of-bounds read (bsc#1259693).\n","status":"published","published":"2026-04-27T12:04:30Z","modified":"2026-04-28T08:00:16.399333Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:1633-1","title":"Security update for freerdp","description":"This update for freerdp fixes the following issues:\n\n- CVE-2026-25941: Out-of-Bounds Read in client RDPGFX channel via crafted `WIRE_TO_SURFACE_2` PDU (bsc#1258919).\n- CVE-2026-25942: Global-buffer-overflow in `xf_rail_server_execute_result` (bsc#1258920).\n- CVE-2026-25952: Heap-use-after-free in `xf_SetWindowMinMaxInfo` (bsc#1258921).\n- CVE-2026-25953: Heap-use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258923).\n- CVE-2026-25954: Heap-use-after-free in `xf_rail_server_local_move_size` (bsc#1258924).\n- CVE-2026-25955: Heap-use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258973).\n- CVE-2026-25959: Heap-use-after-free in `xf_cliprdr_provide_data_` (bsc#1258976).\n- CVE-2026-25997: Heap-use-after-free in `xf_clipboard_format_equal` (bsc#1258977).\n- CVE-2026-26986: Heap-use-after-free in `rail_window_free` (bsc#1258967).\n- CVE-2026-27015: Smartcard NDR alignment padding triggers reachable `WINPR_ASSERT` abort (bsc#1258987).\n- CVE-2026-27950: Denial of service due to incomplete fix for heap-use-after-free vulnerability (bsc#1258941).\n- CVE-2026-27951: Denial of service via endless blocking loop in `Stream_EnsureCapacity` (bsc#1258939).\n- CVE-2026-29774: Missing bounds validation can cause a client-side heap buffer overflow (bsc#1259689).\n- CVE-2026-29775: Malicious server can trigger a client-side heap out-of-bounds access (bsc#1259684).\n- CVE-2026-29776: Missing length check can lead to an integer underflow (bsc#1259692).\n- CVE-2026-31897: Missing length check can cause an out-of-bounds read (bsc#1259693).\n","status":"published","published":"2026-04-27T12:05:30Z","modified":"2026-04-28T08:00:19.590001Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:1634-1","title":"Security update for freerdp","description":"This update for freerdp fixes the following issues:\n\n- CVE-2026-25941: Out-of-Bounds Read in client RDPGFX channel via crafted `WIRE_TO_SURFACE_2` PDU (bsc#1258919).\n- CVE-2026-25942: Global-buffer-overflow in `xf_rail_server_execute_result` (bsc#1258920).\n- CVE-2026-25952: Heap-use-after-free in `xf_SetWindowMinMaxInfo` (bsc#1258921).\n- CVE-2026-25953: Heap-use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258923).\n- CVE-2026-25954: Heap-use-after-free in `xf_rail_server_local_move_size` (bsc#1258924).\n- CVE-2026-25997: Heap-use-after-free in `xf_clipboard_format_equal` (bsc#1258977).\n- CVE-2026-26986: Heap-use-after-free in `rail_window_free` (bsc#1258967).\n- CVE-2026-27015: Smartcard NDR alignment padding triggers reachable `WINPR_ASSERT` abort (bsc#1258987).\n- CVE-2026-27951: Denial of service via endless blocking loop in `Stream_EnsureCapacity` (bsc#1258939).\n- CVE-2026-29774: Missing bounds validation can cause a client-side heap buffer overflow (bsc#1259689).\n- CVE-2026-29775: Malicious server can trigger a client-side heap out-of-bounds access (bsc#1259684).\n- CVE-2026-29776: Missing length check can lead to an integer underflow (bsc#1259692).\n- CVE-2026-31897: Missing length check can cause an out-of-bounds read (bsc#1259693).\n","status":"published","published":"2026-04-27T12:06:21Z","modified":"2026-04-28T08:00:23.918274Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:1635-1","title":"Security update for freerdp","description":"This update for freerdp fixes the following issues:\n\n- CVE-2026-25941: Out-of-Bounds Read in client RDPGFX channel via crafted `WIRE_TO_SURFACE_2` PDU (bsc#1258919).\n- CVE-2026-25942: Global-buffer-overflow in `xf_rail_server_execute_result` (bsc#1258920).\n- CVE-2026-25952: Heap-use-after-free in `xf_SetWindowMinMaxInfo` (bsc#1258921).\n- CVE-2026-25953: Heap-use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258923).\n- CVE-2026-25954: Heap-use-after-free in `xf_rail_server_local_move_size` (bsc#1258924).\n- CVE-2026-25997: Heap-use-after-free in `xf_clipboard_format_equal` (bsc#1258977).\n- CVE-2026-26986: Heap-use-after-free in `rail_window_free` (bsc#1258967).\n- CVE-2026-27015: Smartcard NDR alignment padding triggers reachable `WINPR_ASSERT` abort (bsc#1258987).\n- CVE-2026-27951: Denial of service via endless blocking loop in `Stream_EnsureCapacity` (bsc#1258939).\n- CVE-2026-29774: Missing bounds validation can cause a client-side heap buffer overflow (bsc#1259689).\n- CVE-2026-29775: Malicious server can trigger a client-side heap out-of-bounds access (bsc#1259684).\n- CVE-2026-29776: Missing length check can lead to an integer underflow (bsc#1259692).\n- CVE-2026-31897: Missing length check can cause an out-of-bounds read (bsc#1259693).\n","status":"published","published":"2026-04-27T12:06:35Z","modified":"2026-04-28T08:00:34.527946Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:1640-1","title":"Security update for freerdp2","description":"This update for freerdp2 fixes the following issues:\n\n- CVE-2026-25941: Out-of-Bounds Read in client RDPGFX channel via crafted `WIRE_TO_SURFACE_2` PDU (bsc#1258919).\n- CVE-2026-25942: Global-buffer-overflow in `xf_rail_server_execute_result` (bsc#1258920).\n- CVE-2026-25952: Heap-use-after-free in `xf_SetWindowMinMaxInfo` (bsc#1258921).\n- CVE-2026-25953: Heap-use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258923).\n- CVE-2026-25954: Heap-use-after-free in `xf_rail_server_local_move_size` (bsc#1258924).\n- CVE-2026-25997: Heap-use-after-free in `xf_clipboard_format_equal` (bsc#1258977).\n- CVE-2026-26986: Heap-use-after-free in `rail_window_free` (bsc#1258967).\n- CVE-2026-27015: Smartcard NDR alignment padding triggers reachable `WINPR_ASSERT` abort (bsc#1258987).\n- CVE-2026-27951: Denial of Service via endless blocking loop in `Stream_EnsureCapacity` (bsc#1258939).\n- CVE-2026-29774: Missing bounds validation can cause a client-side heap buffer overflow (bsc#1259689).\n- CVE-2026-29775: Malicious server can trigger a client-side heap out-of-bounds access (bsc#1259684).\n- CVE-2026-29776: Missing length check can lead to an integer underflow (bsc#1259692).\n- CVE-2026-31897: Missing length check can cause an out-of-bounds read (bsc#1259693).\n","status":"published","published":"2026-04-28T11:33:58Z","modified":"2026-04-29T08:01:14.531232Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:21436-1","title":"Security update for freerdp","description":"This update for freerdp fixes the following issues:\n\nUpdate to version 3.24.2.\n\nSecurity issues fixed:\n\n- CVE-2026-25941: out-of-bounds read in the FreeRDP client RDPGFX channel (bsc#1258919).\n- CVE-2026-25942: buffer overflow of global array in `xf_rail_server_execute_result` (bsc#1258920).\n- CVE-2026-25952: heap use-after-free in `xf_SetWindowMinMaxInfo` (bsc#1258921).\n- CVE-2026-25953: heap use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258923).\n- CVE-2026-25954: heap use-after-free in `xf_rail_server_local_move_size` (bsc#1258924).\n- CVE-2026-25955: heap use-after-free in `xf_AppUpdateWindowFromSurface` (bsc#1258973).\n- CVE-2026-25959: heap use-after-free in `xf_cliprdr_provide_data_` (bsc#1258976).\n- CVE-2026-25997: heap use-after-free in `xf_clipboard_format_equal` (bsc#1258977).\n- CVE-2026-26271: buffer overread in FreeRDP icon processing (bsc#1258979).\n- CVE-2026-26955: out-of-bounds write in FreeRDP clients using the GDI surface pipeline (bsc#1258982).\n- CVE-2026-26965: out-of-bounds write in FreeRDP client RLE planar decode path (bsc#1258985).\n- CVE-2026-29774: heap buffer overflow in the FreeRDP client's AVC420/AVC444 YUV-to-RGB conversion path (bsc#1259689).\n- CVE-2026-29775: out-of-bounds access in the FreeRDP client bitmap cache subsystem (bsc#1259684).\n- CVE-2026-29776: integer underflow in `update_read_cache_bitmap_order` (bsc#1259692).\n- CVE-2026-31806: heap buffer overflow in `nsc_process_message` (bsc#1259653).\n- CVE-2026-31883: heap buffer overwrite due to a `size_t` underflow in the IMA-ADPCM and MS-ADPCM audio decoders\n  (bsc#1259679).\n- CVE-2026-31884: division by zero in MS-ADPCM and IMA-ADPCM decoders (bsc#1259680).\n- CVE-2026-31885: out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders (bsc#1259686).\n- CVE-2026-31897: out-of-bounds read in `freerdp_bitmap_decompress_planar` (bsc#1259693).\n- CVE-2026-33952: client-side crash due to `WINPR_ASSERT()` failure in `rts_read_auth_verifier_no_checks()`\n  (bsc#1261196).\n- CVE-2026-33977: client-side crash due to `WINPR_ASSERT()` failure in IMA ADPCM audio decoder (bsc#1261198).\n- CVE-2026-33982: heap buffer overread in in `winpr_aligned_offset_recalloc` (bsc#1261222).\n- CVE-2026-33983: undefined behavior and resource exhaustion via 80 billion iteration loop in\n  `progressive_decompress_tile_upgrade` (bsc#1261200).\n- CVE-2026-33984: heap buffer overflow in ClearCodec `resize_vbar_entry` (bsc#1261211).\n- CVE-2026-33985: heap out-of-bounds read in `clear_decompress_glyph_data` (bsc#1261217).\n- CVE-2026-33986: heap out-of-bounds write due to H.264 YUV buffer dimension desync (bsc#1261223).\n- CVE-2026-33987: heap out-of-bounds write due to persistent cache bmpSize desync (bsc#1261226).\n- CVE-2026-33995: double-free vulnerability in `kerberos_AcceptSecurityContext` and\n  `kerberos_InitializeSecurityContextA` (bsc#1261227).\n\nOther updates and bugfixes:\n\n- Version 3.24.2:\n  * [channels,video] fix wrong cast (#12511)\n  * [codec,openh264] reject encoder ABI mismatch on runtime-loaded library (#12510)\n  * [client,sdl] create a copy of rdpPointer (#12512)\n  * [codec,video] properly pass intermediate format (#12518)\n  * [utils, signal] lazily initialize Windows CRITICAL_SECTION to match POSIX static mutex behavior (#12520) winpr:\n    improve libunwind backtraces (#12530)\n  * [server,shadow] remember selected caps (#12528)\n  * Zero credential data before free in NLA and NTLM context (#12532)\n  * [server,proxy] ignore missing client in input channel (#12536)\n  * [server,proxy] ignore rdpdr messages (#12537)\n  * [winpr,sspi] improve kerberos logging (#12538)\n  * Codec fixes (#12542)\n\n- Version 3.24.1:\n  * [warnings] fix various sign and cast warnings (#12480)\n  * [client,x11] start with xfc-\u003eremote_app = TRUE; (#12491)\n  * Sam file read regression fix (#12484)\n  * [ncrypt,smartcardlogon] support ECC keys in PKCS#11 smartcard enumeration (#12490)\n  * Fix: memory leak in rdp_client_establish_keys() (#12494)\n  * Fix memory leak in freerdp_settings_int_buffer_copy() on error paths (libfreerdp/core/settings.c) (#12486)\n  * Code Cleanups (#12493)\n  * Fix: memory leak in PCSC_SCardListReadersW() (#12495)\n  * [channels,telemetry] use dynamic logging (#12496)\n  * [channel,gfx] use generic plugin log (@12498, #12499)\n  * [channels,audin] set error when audio_format_read fails (#12500)\n  * [channels,video] unify error handling (#12502)\n  * Fastpath fine grained lock (#12503)\n  * [core,update] make the PlaySound callback non-mandatory (#12504)\n  * Refinements: RPM build updates, FIPS improvements (#12506)\n\n- Version 3.24.0:\n  * Completed the [[nodiscard]] marking of the API to warn about problematic\n  * unchecked use of functions\n  * Added full C23 support (default stays at C11) to allow new compilers\n  * to do stricter checking\n  * Improved X11 and SDL3 clients\n  * Improved smartcard support\n  * proxy now supports RFX graphics mode\n  * Attribute nodiscard related chanes (#12325, #12360, #12395, #12406, #12421, #12426, #12177, #12403, #12405, #12407,\n    #12409, #12408, #12412, #12413)\n  * c23 related improvements (#12368, #12371, #12379, #12381, #12383, #12385, #12386, #12387, #12384)\n  * Generic code cleanups (#12382, #12439, #12455, #12462, #12399, #12473) [core,utils] ignore NULL values in\n    remove_rdpdr_type (#12372)\n  * [codec,fdk] revert use of WinPR types (#12373)\n  * [core,gateway] ignore incomplete rpc header (#12375, #12376)\n  * [warnings] make function declaration names consistent (#12377)\n  * [libfreerdp] Add new define for logon error info (#12380)\n  * [client,x11] improve rails window locking (#12392)\n  * Reload fix missing null checks (#12396)\n  * Bounds checks (#12400)\n  * [server,proxy] check for nullptr before using scard_call_context (#12404)\n  * [uwac] fix rectangular glitch around surface damage regions (#12410)\n  * Address various error handling inconsistencies (#12411)\n  * [core,server] Improve WTS API locking (#12414)\n  * Address some GCC compile issues (#12415, #12420)\n  * Winpr atexit (#12416)\n  * [winpr,smartcard] fix function pointer casts (#12422)\n  * Xf timer fix (#12423)\n  * [client,sdl] workaround for wlroots compositors (#12425)\n  * [client,sdl] fix SdlWindow::query (#12378)\n  * [winpr,smartcard] fix PCSC_ReleaseCardContext (#12427)\n  * [client,x11] eliminate obsolete compile flags (#12428)\n  * [client,common] skip sending input events when not connected (#12429)\n  * Input connected checks (#12430)\n  * Floatbar and display channel improvements (#12431)\n  * [winpr,platform] fix WINPR_ATTR_NODISCARD definition (#12432)\n  * [client] Fix writing of gatewayusagemethod to .rdp files (#12433)\n  * Nodiscard finetune (#12435)\n  * [core] fix missing gateway credential sync (#12436)\n  * [client,sdl3] limit FREERDP_WLROOTS_HACK (#12441)\n  * [core,settings] Allow FreeRDP_instance in setter (#12442)\n  * [codec,h264] make log message trace (#12444)\n  * X11 rails improve (#12440)\n  * [codec,nsc] limit copy area in nsc_process_message (#12448)\n  * Proxy support RFX and NSC settings (#12449)\n  * [client,common] display a shortened help on parsing issues (#12450)\n  * [winpr,smartcard] refine locking for pcsc layer (#12451)\n  * [codec,swscale] allow runtime loading of swscale (#12452)\n  * Swscale fallback (#12454)\n  * Sdl multi scaling support (#12456)\n  * [packaging,flatpak] update runtime and dependencies (#12457)\n  * [codec,video] add doxygen version details (#12458)\n  * [github,templates] update templates (#12460)\n  * [client,sdl] allow FREERDP_WLROOTS_HACK for all sessions (#12461)\n  * [warnings,nodiscard] add log messages for failures (#12463)\n  * [gdi,gdi] ignore empty rectangles (#12467)\n  * Smartcard fix smartcard-login, pass rdpContext for abort (#12466)\n  * [winpr,smartcard] fix compiler warnings (#12469)\n  * [winpr,timezone] fix search for transition dates (#12468)\n  * [client,common] improve /p help (#12471)\n  * Scard logging refactored (#12472)\n  * [emu,scard] fix smartcard emulation (#12475)\n  * Sdl null cursor (#12474)\n\n- Version 3.23.0:\n  * Sdl cleanup (#12202)\n  * [client,sdl] do not apply window offset (#12205)\n  * [client,sdl] add SDL_Error to exceptions (#12214)\n  * Rdp monitor log (#12215)\n  * [winpr,smartcard] implement some attributes (#12213)\n  * [client,windows] Fix return value checks for mouse event functions (#12279)\n  * [channels,rdpecam] fix sws context checks (#12272)\n  * [client,windows] Enhance error handling and context validation (#12264)\n  * [client,windows] Add window handle validation in RDP_EVENT_TYPE_WINDOW_NEW (#12261)\n  * [client,sdl] fix multimon/fullscreen on wayland (#12248)\n  * Vendor by app (#12207)\n  * [core,gateway] relax TSG parsing (#12283)\n  * [winpr,smartcard] simplify PCSC_ReadDeviceSystemName (#12273)\n  * [client,windows] Implement complete keyboard indicator synchronization (#12268)\n  * Fixes more more more (#12286)\n  * Use application details for names (#12285)\n  * warning cleanups (#12289)\n  * Warning cleanup (#12291)\n  * [client,windows] Enhance memory safety with NULL checks and resource protection (#12271)\n  * [client,x11] apply /size:xx% only once (#12293)\n  * Freerdp config test (#12295)\n  * [winpr,smartcard] fix returned attribute length (#12296)\n  * [client,SDL3] Fix properly handle smart-sizing with fullscreen (#12298)\n  * [core,test] fix use after free (#12299)\n  * Sign warnings (#12300)\n  * [cmake,compiler] disable -Wjump-misses-init (#12301)\n  * [codec,color] fix input length checks (#12302)\n  * [client,sdl] improve cursor updates, fix surface sizes (#12303)\n  * Sdl fullscreen (#12217)\n  * [client,sdl] fix move constructor of SdlWindow (#12305)\n  * [utils,smartcard] check stream length on padding (#12306)\n  * [android] Fix invert scrolling default value mismatch (#12309)\n  * Clear fix bounds checks (#12310)\n  * Winpr attr nodiscard fkt ptr (#12311)\n  * [codec,planar] fix missing destination bounds checks (#12312)\n  * [codec,clear] fix destination checks (#12315)\n  * NSC Codec fixes (#12317)\n  * Freerdp api nodiscard (#12313)\n  * [allocations] fix growth of preallocated buffers (#12319)\n  * Rdpdr simplify (#12320)\n  * Resource fix (#12323)\n  * [winpr,utils] ensure message queue capacity (#12322)\n  * [server,shadow] fix return and parameter checks (#12330)\n  * Shadow fixes (#12331)\n  * [rdtk,nodiscard] mark rdtk API nodiscard (#12329)\n  * [client,x11] fix XGetWindowProperty return handling (#12334)\n  * Win32 signal (#12335)\n  * [channel,usb] fix message parsing and creation (#12336)\n  * [cmake] Define WINPR_DEFINE_ATTR_NODISCARD (#12338)\n  * Proxy config fix (#12345)\n  * [codec,progressive] refine progressive decoding (#12347)\n  * [client,sdl] fix sdl_Pointer_New (#12350)\n  * [core,gateway] parse [MS-TSGU] 2.2.10.5 HTTP_CHANNEL_RESPONSE_OPTIONAL (#12353)\n  * X11 kbd sym (#12354)\n  * Windows compile warning fixes (#12357,#12358,#12359)\n","status":"published","published":"2026-04-30T16:54:05Z","modified":"2026-05-05T18:23:52.45993Z","updated_at":"2026-11-02T15:54:02.312556Z"},{"id":"USN-8105-1","title":"freerdp3 vulnerabilities","description":"It was discovered that FreeRDP incorrectly handled certain RDP packets. A\nremote attacker could use this issue to cause FreeRDP to crash, resulting\nin a denial of service, or possibly execute arbitrary code.","status":"published","published":"2026-03-18T12:03:18Z","modified":"2026-10-27T04:16:54.424890397Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}