{"id":"CVE-2026-27951","aliases":["ALSA-2026:16019","ALSA-2026:16482","ALSA-2026:19358","DEBIAN-CVE-2026-27951","EUVD-2026-8755","GHSA-qcfc-ghxr-h927","MGASA-2026-0383","OESA-2026-2439","OESA-2026-2440","OESA-2026-2441","OESA-2026-2442","OESA-2026-2540","RHSA-2026:16019","RHSA-2026:16482","RHSA-2026:16483","RHSA-2026:16485","RHSA-2026:16777","RHSA-2026:16814","RHSA-2026:16865","RHSA-2026:16866","RHSA-2026:19358","RHSA-2026:19811","RHSA-2026:20546","RLSA-2026:16019","RLSA-2026:16482","RLSA-2026:19358","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-2026:3562-1","UBUNTU-CVE-2026-27951","USN-8105-1","USN-8561-1","openSUSE-SU-2026:10611-1","openSUSE-SU-2026:20632-1"],"status":"published","title":"FreeRDP has possible Integer overflow in Stream_EnsureCapacity","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `\u003e= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00405,"percentile":0.35179,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190"],"published":"2026-02-25T21:07:30Z","modified":"2026-10-29T11:32:32Z","fixes":[{"ecosystem":"Debian:14","package":"freerdp3","fixed_in":["3.23.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"freerdp3","fixed_in":["3.30.0+dfsg-0ubuntu0.24.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"AlmaLinux:8","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-9.el8_10"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:8","package":"freerdp-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-9.el8_10"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:8","package":"freerdp-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-9.el8_10"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:8","package":"libwinpr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-9.el8_10"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:8","package":"libwinpr-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-9.el8_10"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-1.el9_7.7"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"freerdp-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-1.el9_7.7"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"freerdp-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-1.el9_7.7"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"libwinpr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-1.el9_7.7"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"libwinpr-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-1.el9_7.7"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.3"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"freerdp-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.3"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"freerdp-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.3"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"libwinpr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.3"}]}],"bundled":8},{"source":"osv","ecosystem":"AlmaLinux:9","package":"libwinpr-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.3"}]}],"bundled":8},{"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"}]}],"versions":["3.15.0+dfsg-2.1","3.15.0+dfsg-2.1+deb13u1","3.15.0+dfsg-2.1+deb13u2","3.15.0+dfsg-2.1+deb13u3","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","3.23.0+dfsg-1~bpo13+1","3.24.0+dfsg-1","3.24.0+dfsg-2","3.24.1+dfsg-1","3.24.2+dfsg-1","3.24.2+dfsg-1~bpo13+1","3.25.0+dfsg-1","3.25.0+dfsg-2","3.25.0+dfsg-3","3.25.0+dfsg-4","3.25.0+dfsg-5","3.26.0+dfsg-1","3.26.0+dfsg-1~bpo13+1","3.27.0+dfsg-1","3.27.1+dfsg-1","3.28.0+dfsg-1","3.28.0+dfsg-2","3.29.0+dfsg-1","3.30.0+dfsg-1","3.30.0+dfsg-1~bpo13+1","3.31.0+dfsg-1","3.31.1+dfsg-1","3.31.1+dfsg-1~bpo13+1","3.32.0+dfsg-1","3.32.1+dfsg-1","3.32.1+dfsg-1~bpo13+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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ty/CVE-2026-31897","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-33952","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-33977","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-33982","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-33983","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-33984","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-33985","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-33986","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-33987","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-33995","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-40033","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-40254","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-44420","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-44421","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-44422","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-55191","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-55192","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-55193","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-55194","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-55564","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-55648","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-55827","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-56297","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-57156","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-57157","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-57158","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/1258979","tags":["report"]},{"url":"https://bugzilla.suse.com/1258982","tags":["report"]},{"url":"https://bugzilla.suse.com/1258985","tags":["report"]},{"url":"https://bugzilla.suse.com/1259251","tags":["report"]},{"url":"https://bugzilla.suse.com/1259679","tags":["report"]},{"url":"https://bugzilla.suse.com/1259686","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"]},{"url":"https://www.suse.com/security/cve/CVE-2026-26271","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-26955","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-26965","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-31883","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-31885","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-27951","title":"FreeRDP has possible Integer overflow in Stream_EnsureCapacity","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `\u003e= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.","status":"published","published":"2026-02-25T21:07:30.828Z","modified":"2026-02-25T21:43:56.822Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:19:48.826324Z"}],"euvd":[{"id":"EUVD-2026-8755","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `\u003e= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.","status":"published","published":"2026-02-25T21:07:30Z","modified":"2026-02-25T21:43:56Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T19:48:28.012266Z"}],"nvd":[{"id":"CVE-2026-27951","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `\u003e= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.","status":"published","published":"2026-02-25T22:16:27.61Z","modified":"2026-06-17T10:27:57.933Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:12:07.027269Z"}],"osv":[{"id":"CVE-2026-27951","title":"FreeRDP has possible Integer overflow in Stream_EnsureCapacity","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `\u003e= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.","status":"published","published":"2026-02-25T21:07:30.828Z","modified":"2026-10-28T11:10:04.497590157Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:45:00.180685Z"},{"id":"DEBIAN-CVE-2026-27951","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `\u003e= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.","status":"published","published":"2026-02-25T22:16:27.61Z","modified":"2026-10-01T03:03:02.346912535Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"OESA-2026-2439","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s open specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side global buffer overflow, causing a crash (denial of service)(CVE-2026-25942)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a heap-use-after-free vulnerability exists in the X11 client backend. Specifically, the `xf_SetWindowMinMaxInfo` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` within `xf_rail_server_min_max_info` returns an unprotected pointer from the `railWindows` hash table. The main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer, leading to a dangling pointer. A malicious server can exploit this to trigger a client-side crash (Denial of Service) and potentially cause heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-25952)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_AppUpdateWindowFromSurface` function reads from a freed `xfAppWindow` object. This occurs because the RDPGFX DVC thread obtains a bare pointer via `xf_rail_get_window` without any lifetime protection, while the main thread can concurrently delete the window through a fastpath window-delete order, resulting in a use-after-free condition. A malicious server can exploit this vulnerability to trigger a client-side heap 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-2026-25953)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_rail_server_local_move_size` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` returns an unprotected pointer from the `railWindows` hash table, and the main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer. A malicious server can trigger this client-side heap use-after-free, causing a crash (Denial of Service) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25954)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` contains an integer overflow vulnerability that can create an endless blocking loop. This may affect all client and server implementations using FreeRDP. For practical exploitation, this will only work on 32-bit systems where the available physical memory is greater than or equal to `SIZE_MAX`.(CVE-2026-27951)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap buffer overflow occurs in the FreeRDP client\u0026apos;s AVC420/AVC444 YUV-to-RGB conversion path due to missing horizontal bounds validation of H.264 metablock regionRects coordinates.  In yuv.c, the clamp() function (line 347) only validates top/bottom against the surface/YUV height, but never checks left/right against the surface width. When avc420_yuv_to_rgb (line 67) computes destination and source pointers using rect-\u0026gt;left, it performs unchecked pointer arithmetic that can reach far beyond the allocated surface buffer. A malicious server sends a WIRE_TO_SURFACE_PDU_1 with AVC420 codec containing a regionRects entry where left greatly exceeds the surface width (e.g., left=60000 on a 128px surface). The H.264 bitstream decodes successfully, then yuv420_process_work_callback calls avc420_yuv_to_rgb which computes pDstPoint = pDstData + rect-\u0026gt;top * nDstStep + rect-\u0026gt;left * 4, writing 16-byte SSE vectors 1888+ bytes past the allocated heap region. This vulnerability is fixed in 3.24.0.(CVE-2026-29774)\n\nFreeRDP contains a heap buffer overflow vulnerability in bitmap_cache_put function where an out-of-bounds cacheId can lead to memory corruption.(CVE-2026-29775)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, division by zero in MS-ADPCM and IMA-ADPCM decoders when nBlockAlign is 0, leading to a crash. In libfreerdp/codec/dsp.c, both ADPCM decoders use size % block_size where block_size = context-\u0026gt;common.format.nBlockAlign. The nBlockAlign value comes from the Server Audio Formats PDU on the RDPSND channel. The value 0 is not validated anywhere before reaching the decoder. When nBlockAlign = 0, the modulo operation causes a SIGFPE (floating point exception) crash. This vulnerability is fixed in 3.24.0.(CVE-2026-31884)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in freerdp_bitmap_decompress_planar when SrcSize is 0. The function dereferences *srcp (which points to pSrcData) without first verifying that SrcSize \u0026gt;= 1. When SrcSize is 0 and pSrcData is non-NULL, this reads one byte past the end of the source buffer. This vulnerability is fixed in 3.24.0.(CVE-2026-31897)\n\nA vulnerability exists in FreeRDP when processing the ClearCodec protocol, involving a desynchronization in glyph cache counts. An attacker can craft a malicious RDP packet, causing a mismatch in glyph cache counts on the client or server side, which triggers a heap out-of-bounds read. Successful exploitation of this vulnerability could lead to information disclosure, application crash, or create conditions for further attacks.(CVE-2026-33985)","status":"published","published":"2026-05-22T11:11:23Z","modified":"2026-08-18T01:19:59.856332146Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2440","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s open specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side global buffer overflow, causing a crash (denial of service)(CVE-2026-25942)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a heap-use-after-free vulnerability exists in the X11 client backend. Specifically, the `xf_SetWindowMinMaxInfo` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` within `xf_rail_server_min_max_info` returns an unprotected pointer from the `railWindows` hash table. The main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer, leading to a dangling pointer. A malicious server can exploit this to trigger a client-side crash (Denial of Service) and potentially cause heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-25952)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_AppUpdateWindowFromSurface` function reads from a freed `xfAppWindow` object. This occurs because the RDPGFX DVC thread obtains a bare pointer via `xf_rail_get_window` without any lifetime protection, while the main thread can concurrently delete the window through a fastpath window-delete order, resulting in a use-after-free condition. A malicious server can exploit this vulnerability to trigger a client-side heap 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-2026-25953)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_rail_server_local_move_size` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` returns an unprotected pointer from the `railWindows` hash table, and the main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer. A malicious server can trigger this client-side heap use-after-free, causing a crash (Denial of Service) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25954)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` contains an integer overflow vulnerability that can create an endless blocking loop. This may affect all client and server implementations using FreeRDP. For practical exploitation, this will only work on 32-bit systems where the available physical memory is greater than or equal to `SIZE_MAX`.(CVE-2026-27951)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap buffer overflow occurs in the FreeRDP client\u0026apos;s AVC420/AVC444 YUV-to-RGB conversion path due to missing horizontal bounds validation of H.264 metablock regionRects coordinates.  In yuv.c, the clamp() function (line 347) only validates top/bottom against the surface/YUV height, but never checks left/right against the surface width. When avc420_yuv_to_rgb (line 67) computes destination and source pointers using rect-\u0026gt;left, it performs unchecked pointer arithmetic that can reach far beyond the allocated surface buffer. A malicious server sends a WIRE_TO_SURFACE_PDU_1 with AVC420 codec containing a regionRects entry where left greatly exceeds the surface width (e.g., left=60000 on a 128px surface). The H.264 bitstream decodes successfully, then yuv420_process_work_callback calls avc420_yuv_to_rgb which computes pDstPoint = pDstData + rect-\u0026gt;top * nDstStep + rect-\u0026gt;left * 4, writing 16-byte SSE vectors 1888+ bytes past the allocated heap region. This vulnerability is fixed in 3.24.0.(CVE-2026-29774)\n\nFreeRDP contains a heap buffer overflow vulnerability in bitmap_cache_put function where an out-of-bounds cacheId can lead to memory corruption.(CVE-2026-29775)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, division by zero in MS-ADPCM and IMA-ADPCM decoders when nBlockAlign is 0, leading to a crash. In libfreerdp/codec/dsp.c, both ADPCM decoders use size % block_size where block_size = context-\u0026gt;common.format.nBlockAlign. The nBlockAlign value comes from the Server Audio Formats PDU on the RDPSND channel. The value 0 is not validated anywhere before reaching the decoder. When nBlockAlign = 0, the modulo operation causes a SIGFPE (floating point exception) crash. This vulnerability is fixed in 3.24.0.(CVE-2026-31884)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in freerdp_bitmap_decompress_planar when SrcSize is 0. The function dereferences *srcp (which points to pSrcData) without first verifying that SrcSize \u0026gt;= 1. When SrcSize is 0 and pSrcData is non-NULL, this reads one byte past the end of the source buffer. This vulnerability is fixed in 3.24.0.(CVE-2026-31897)\n\nA vulnerability exists in FreeRDP when processing the ClearCodec protocol, involving a desynchronization in glyph cache counts. An attacker can craft a malicious RDP packet, causing a mismatch in glyph cache counts on the client or server side, which triggers a heap out-of-bounds read. Successful exploitation of this vulnerability could lead to information disclosure, application crash, or create conditions for further attacks.(CVE-2026-33985)","status":"published","published":"2026-05-22T11:11:24Z","modified":"2026-08-18T01:20:00.223167872Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2441","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s open specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side global buffer overflow, causing a crash (denial of service)(CVE-2026-25942)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a heap-use-after-free vulnerability exists in the X11 client backend. Specifically, the `xf_SetWindowMinMaxInfo` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` within `xf_rail_server_min_max_info` returns an unprotected pointer from the `railWindows` hash table. The main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer, leading to a dangling pointer. A malicious server can exploit this to trigger a client-side crash (Denial of Service) and potentially cause heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-25952)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_AppUpdateWindowFromSurface` function reads from a freed `xfAppWindow` object. This occurs because the RDPGFX DVC thread obtains a bare pointer via `xf_rail_get_window` without any lifetime protection, while the main thread can concurrently delete the window through a fastpath window-delete order, resulting in a use-after-free condition. A malicious server can exploit this vulnerability to trigger a client-side heap 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-2026-25953)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_rail_server_local_move_size` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` returns an unprotected pointer from the `railWindows` hash table, and the main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer. A malicious server can trigger this client-side heap use-after-free, causing a crash (Denial of Service) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25954)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` contains an integer overflow vulnerability that can create an endless blocking loop. This may affect all client and server implementations using FreeRDP. For practical exploitation, this will only work on 32-bit systems where the available physical memory is greater than or equal to `SIZE_MAX`.(CVE-2026-27951)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap buffer overflow occurs in the FreeRDP client\u0026apos;s AVC420/AVC444 YUV-to-RGB conversion path due to missing horizontal bounds validation of H.264 metablock regionRects coordinates.  In yuv.c, the clamp() function (line 347) only validates top/bottom against the surface/YUV height, but never checks left/right against the surface width. When avc420_yuv_to_rgb (line 67) computes destination and source pointers using rect-\u0026gt;left, it performs unchecked pointer arithmetic that can reach far beyond the allocated surface buffer. A malicious server sends a WIRE_TO_SURFACE_PDU_1 with AVC420 codec containing a regionRects entry where left greatly exceeds the surface width (e.g., left=60000 on a 128px surface). The H.264 bitstream decodes successfully, then yuv420_process_work_callback calls avc420_yuv_to_rgb which computes pDstPoint = pDstData + rect-\u0026gt;top * nDstStep + rect-\u0026gt;left * 4, writing 16-byte SSE vectors 1888+ bytes past the allocated heap region. This vulnerability is fixed in 3.24.0.(CVE-2026-29774)\n\nFreeRDP contains a heap buffer overflow vulnerability in bitmap_cache_put function where an out-of-bounds cacheId can lead to memory corruption.(CVE-2026-29775)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, division by zero in MS-ADPCM and IMA-ADPCM decoders when nBlockAlign is 0, leading to a crash. In libfreerdp/codec/dsp.c, both ADPCM decoders use size % block_size where block_size = context-\u0026gt;common.format.nBlockAlign. The nBlockAlign value comes from the Server Audio Formats PDU on the RDPSND channel. The value 0 is not validated anywhere before reaching the decoder. When nBlockAlign = 0, the modulo operation causes a SIGFPE (floating point exception) crash. This vulnerability is fixed in 3.24.0.(CVE-2026-31884)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in freerdp_bitmap_decompress_planar when SrcSize is 0. The function dereferences *srcp (which points to pSrcData) without first verifying that SrcSize \u0026gt;= 1. When SrcSize is 0 and pSrcData is non-NULL, this reads one byte past the end of the source buffer. This vulnerability is fixed in 3.24.0.(CVE-2026-31897)\n\nA vulnerability exists in FreeRDP when processing the ClearCodec protocol, involving a desynchronization in glyph cache counts. An attacker can craft a malicious RDP packet, causing a mismatch in glyph cache counts on the client or server side, which triggers a heap out-of-bounds read. Successful exploitation of this vulnerability could lead to information disclosure, application crash, or create conditions for further attacks.(CVE-2026-33985)","status":"published","published":"2026-05-22T11:11:24Z","modified":"2026-08-18T01:20:00.16092108Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2442","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s open specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side global buffer overflow, causing a crash (denial of service)(CVE-2026-25942)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a heap-use-after-free vulnerability exists in the X11 client backend. Specifically, the `xf_SetWindowMinMaxInfo` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` within `xf_rail_server_min_max_info` returns an unprotected pointer from the `railWindows` hash table. The main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer, leading to a dangling pointer. A malicious server can exploit this to trigger a client-side crash (Denial of Service) and potentially cause heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-25952)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_AppUpdateWindowFromSurface` function reads from a freed `xfAppWindow` object. This occurs because the RDPGFX DVC thread obtains a bare pointer via `xf_rail_get_window` without any lifetime protection, while the main thread can concurrently delete the window through a fastpath window-delete order, resulting in a use-after-free condition. A malicious server can exploit this vulnerability to trigger a client-side heap 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-2026-25953)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_rail_server_local_move_size` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` returns an unprotected pointer from the `railWindows` hash table, and the main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer. A malicious server can trigger this client-side heap use-after-free, causing a crash (Denial of Service) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25954)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` contains an integer overflow vulnerability that can create an endless blocking loop. This may affect all client and server implementations using FreeRDP. For practical exploitation, this will only work on 32-bit systems where the available physical memory is greater than or equal to `SIZE_MAX`.(CVE-2026-27951)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap buffer overflow occurs in the FreeRDP client\u0026apos;s AVC420/AVC444 YUV-to-RGB conversion path due to missing horizontal bounds validation of H.264 metablock regionRects coordinates.  In yuv.c, the clamp() function (line 347) only validates top/bottom against the surface/YUV height, but never checks left/right against the surface width. When avc420_yuv_to_rgb (line 67) computes destination and source pointers using rect-\u0026gt;left, it performs unchecked pointer arithmetic that can reach far beyond the allocated surface buffer. A malicious server sends a WIRE_TO_SURFACE_PDU_1 with AVC420 codec containing a regionRects entry where left greatly exceeds the surface width (e.g., left=60000 on a 128px surface). The H.264 bitstream decodes successfully, then yuv420_process_work_callback calls avc420_yuv_to_rgb which computes pDstPoint = pDstData + rect-\u0026gt;top * nDstStep + rect-\u0026gt;left * 4, writing 16-byte SSE vectors 1888+ bytes past the allocated heap region. This vulnerability is fixed in 3.24.0.(CVE-2026-29774)\n\nFreeRDP contains a heap buffer overflow vulnerability in bitmap_cache_put function where an out-of-bounds cacheId can lead to memory corruption.(CVE-2026-29775)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, division by zero in MS-ADPCM and IMA-ADPCM decoders when nBlockAlign is 0, leading to a crash. In libfreerdp/codec/dsp.c, both ADPCM decoders use size % block_size where block_size = context-\u0026gt;common.format.nBlockAlign. The nBlockAlign value comes from the Server Audio Formats PDU on the RDPSND channel. The value 0 is not validated anywhere before reaching the decoder. When nBlockAlign = 0, the modulo operation causes a SIGFPE (floating point exception) crash. This vulnerability is fixed in 3.24.0.(CVE-2026-31884)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in freerdp_bitmap_decompress_planar when SrcSize is 0. The function dereferences *srcp (which points to pSrcData) without first verifying that SrcSize \u0026gt;= 1. When SrcSize is 0 and pSrcData is non-NULL, this reads one byte past the end of the source buffer. This vulnerability is fixed in 3.24.0.(CVE-2026-31897)\n\nA vulnerability exists in FreeRDP when processing the ClearCodec protocol, involving a desynchronization in glyph cache counts. An attacker can craft a malicious RDP packet, causing a mismatch in glyph cache counts on the client or server side, which triggers a heap out-of-bounds read. Successful exploitation of this vulnerability could lead to information disclosure, application crash, or create conditions for further attacks.(CVE-2026-33985)","status":"published","published":"2026-05-22T11:11:24Z","modified":"2026-08-18T01:19:59.990316898Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2540","title":"freerdp security update","description":"FreeRDP is a client implementation of the Remote Desktop Protocol (RDP) that follows Microsoft\u0026amp;apos;s open specifications. This package provides the client applications xfreerdp.\r\n\r\nSecurity Fix(es):\n\nA malicious server can trigger a client-side global buffer overflow, causing a crash (denial of service)(CVE-2026-25942)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a heap-use-after-free vulnerability exists in the X11 client backend. Specifically, the `xf_SetWindowMinMaxInfo` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` within `xf_rail_server_min_max_info` returns an unprotected pointer from the `railWindows` hash table. The main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer, leading to a dangling pointer. A malicious server can exploit this to trigger a client-side crash (Denial of Service) and potentially cause heap corruption with a risk of code execution, depending on allocator behavior and surrounding heap layout.(CVE-2026-25952)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_AppUpdateWindowFromSurface` function reads from a freed `xfAppWindow` object. This occurs because the RDPGFX DVC thread obtains a bare pointer via `xf_rail_get_window` without any lifetime protection, while the main thread can concurrently delete the window through a fastpath window-delete order, resulting in a use-after-free condition. A malicious server can exploit this vulnerability to trigger a client-side heap 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-2026-25953)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the `xf_rail_server_local_move_size` function dereferences a freed `xfAppWindow` pointer. This occurs because `xf_rail_get_window` returns an unprotected pointer from the `railWindows` hash table, and the main thread can concurrently delete the window (via a window delete order) while the RAIL channel thread is still using the pointer. A malicious server can trigger this client-side heap use-after-free, causing a crash (Denial of Service) and potential heap corruption with code-execution risk depending on allocator behavior and surrounding heap layout.(CVE-2026-25954)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` contains an integer overflow vulnerability that can create an endless blocking loop. This may affect all client and server implementations using FreeRDP. For practical exploitation, this will only work on 32-bit systems where the available physical memory is greater than or equal to `SIZE_MAX`.(CVE-2026-27951)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap buffer overflow occurs in the FreeRDP client\u0026apos;s AVC420/AVC444 YUV-to-RGB conversion path due to missing horizontal bounds validation of H.264 metablock regionRects coordinates.  In yuv.c, the clamp() function (line 347) only validates top/bottom against the surface/YUV height, but never checks left/right against the surface width. When avc420_yuv_to_rgb (line 67) computes destination and source pointers using rect-\u0026gt;left, it performs unchecked pointer arithmetic that can reach far beyond the allocated surface buffer. A malicious server sends a WIRE_TO_SURFACE_PDU_1 with AVC420 codec containing a regionRects entry where left greatly exceeds the surface width (e.g., left=60000 on a 128px surface). The H.264 bitstream decodes successfully, then yuv420_process_work_callback calls avc420_yuv_to_rgb which computes pDstPoint = pDstData + rect-\u0026gt;top * nDstStep + rect-\u0026gt;left * 4, writing 16-byte SSE vectors 1888+ bytes past the allocated heap region. This vulnerability is fixed in 3.24.0.(CVE-2026-29774)\n\nFreeRDP contains a heap buffer overflow vulnerability in bitmap_cache_put function where an out-of-bounds cacheId can lead to memory corruption.(CVE-2026-29775)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, division by zero in MS-ADPCM and IMA-ADPCM decoders when nBlockAlign is 0, leading to a crash. In libfreerdp/codec/dsp.c, both ADPCM decoders use size % block_size where block_size = context-\u0026gt;common.format.nBlockAlign. The nBlockAlign value comes from the Server Audio Formats PDU on the RDPSND channel. The value 0 is not validated anywhere before reaching the decoder. When nBlockAlign = 0, the modulo operation causes a SIGFPE (floating point exception) crash. This vulnerability is fixed in 3.24.0.(CVE-2026-31884)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in freerdp_bitmap_decompress_planar when SrcSize is 0. The function dereferences *srcp (which points to pSrcData) without first verifying that SrcSize \u0026gt;= 1. When SrcSize is 0 and pSrcData is non-NULL, this reads one byte past the end of the source buffer. This vulnerability is fixed in 3.24.0.(CVE-2026-31897)\n\nA vulnerability exists in FreeRDP when processing the ClearCodec protocol, involving a desynchronization in glyph cache counts. An attacker can craft a malicious RDP packet, causing a mismatch in glyph cache counts on the client or server side, which triggers a heap out-of-bounds read. Successful exploitation of this vulnerability could lead to information disclosure, application crash, or create conditions for further attacks.(CVE-2026-33985)","status":"published","published":"2026-05-29T11:11:29Z","modified":"2026-08-18T01:20:02.401322857Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"RHSA-2026:16019","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-12T10:06:36Z","modified":"2026-10-07T10:06:18Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:16482","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-13T10:14:12Z","modified":"2026-10-07T10:06:23Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:16483","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-13T10:14:13Z","modified":"2026-10-07T10:06:24Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:16485","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-13T10:14:14Z","modified":"2026-10-07T10:06:24Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:16777","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-13T10:14:23Z","modified":"2026-10-07T10:06:27Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:16814","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-13T10:14:24Z","modified":"2026-10-07T10:06:27Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:16865","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-13T10:14:25Z","modified":"2026-10-07T10:06:28Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:16866","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-13T10:14:26Z","modified":"2026-10-07T10:06:28Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:19358","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-20T10:10:34Z","modified":"2026-10-07T10:07:21Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"RHSA-2026:19811","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-21T10:08:41Z","modified":"2026-10-07T10:07:30Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"RHSA-2026:20546","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-05-26T10:07:22Z","modified":"2026-10-07T10:07:33Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:18.983284Z"},{"id":"RLSA-2026:16019","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 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: Denial of Service via endless blocking loop in Stream_EnsureCapacity (CVE-2026-27951)\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\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":"2026-05-13T06:00:58.478905Z","modified":"2026-05-13T06:30:09.381076Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"RLSA-2026:16482","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 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: Denial of Service via endless blocking loop in Stream_EnsureCapacity (CVE-2026-27951)\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\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":"2026-05-14T12:03:50.040748Z","modified":"2026-05-14T14:40:04.115711Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"RLSA-2026:19358","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 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: Denial of Service via endless blocking loop in Stream_EnsureCapacity (CVE-2026-27951)\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\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":"2026-05-28T15:43:06.024531Z","modified":"2026-05-28T16:00:09.616074273Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:53:25.804165Z"},{"id":"UBUNTU-CVE-2026-27951","description":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `\u003e= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.","status":"published","published":"2026-02-25T22:16:00Z","modified":"2026-07-21T13:15:06.732158281Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:08.726452Z"},{"id":"ALSA-2026:16019","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 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: Denial of Service via endless blocking loop in Stream_EnsureCapacity (CVE-2026-27951)\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\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":"2026-10-29T11:02:26.366440139Z","updated_at":"2026-11-02T15:27:53.875139Z"},{"id":"ALSA-2026:16482","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 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: Denial of Service via endless blocking loop in Stream_EnsureCapacity (CVE-2026-27951)\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\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":"2026-05-12T00:00:00Z","modified":"2026-10-29T11:32:31.11357634Z","updated_at":"2026-11-02T15:27:53.875139Z"},{"id":"ALSA-2026:19358","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 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: Denial of Service via endless blocking loop in Stream_EnsureCapacity (CVE-2026-27951)\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\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":"2026-05-19T00:00:00Z","modified":"2026-10-29T11:32:32.105673861Z","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-2026:10611-1","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":"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-2026:3562-1","title":"Security update for freerdp","description":"This update for freerdp fixes the following issues:\n\n- CVE-2026-27951: 32-bit system denial of service via endless blocking loop in `Stream_EnsureCapacity` (bsc#1258939).\n- CVE-2026-33952: client denial of service via unvalidated authentication length field (bsc#1261196).\n- CVE-2026-33977: client denial of service via malformed IMA ADPCM audio data (bsc#1261198).\n- CVE-2026-33982: heap buffer overread in `winpr_aligned_offset_recalloc()` can lead to undefined behavior\n  (bsc#1261222).\n- CVE-2026-33983: improper error handling can lead to use of incorrect shift exponent, undefined behavior and an 80\n  billion iteration loop (bsc#1261200).\n- CVE-2026-33984: heap buffer overflow allows arbitrary code execution via crafted pixel data (bsc#1261211).\n- CVE-2026-33985: heap out-of-bounds read can leak sensitive data when pixel data is rendered to screen (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 in `kerberos_AcceptSecurityContext()` and `kerberos_InitializeSecurityContextA()` can\n  lead to crash during NLA connection teardown with a failed authentication attempt (bsc#1261227).\n- CVE-2026-40033: heap buffer overflow in `gdi_CacheToSurface` allows attackers to cause a denial of service or achieve\n  remote code execution (bsc#1266317).\n- CVE-2026-40254: off-by-one error in `contains_dotdot()` allows for drive channel path traversal (bsc#1262743).\n- CVE-2026-44420: heap buffer overwrite can be triggered in server-side clipboard channel when a malicious client sends\n  a `CB_CLIP_CAPS` PDU with a too-small `capabilitySetLength` (bsc#1267008).\n- CVE-2026-44421: improper validation in `gdi_CacheToSurface` can lead to a heap buffer overwrite client when an RDP\n  server sends crafted RDPGFX PDUs (bsc#1267009).\n- CVE-2026-44422: improper memory management can lead to heap use-after-free/double-free in a client's RDPEAR\n  authentication-redirection path (bsc#1267010).\n- CVE-2026-45700: data check bypass when decoding RLE planar data can lead to an out-of-bounds heap write\n  (bsc#1267011).\n- CVE-2026-56297: improper synchronization of `channel_callback` access can lead to use-after-free in\n  `dvcman_channel_close` and `dvcman_call_on_receive` triggered by a malicious RDP server (bsc#1271071).\n- CVE-2026-57156: integer overflow in `update_read_delta_points` allows malicious RDP peers to cause a heap buffer\n  overflow (bsc#1271303).\n- CVE-2026-57157: 2-byte heap out-of-bounds read via attacker-supplied MS-RDPECAM `DeviceName` and `VirtualChannelName`\n  fields (bsc#1271304).\n- CVE-2026-57158: incomplete fix for CVE-2026-23530 in `planar_decompress_plane_rle_only` allows a malicious RDP server\n  to trigger a one byte buffer overflow via a truncated `RDPGFX_CMDID_WIRETOSURFACE_1` planar payload (bsc#1271305).\n","status":"published","published":"2026-08-10T18:16:39Z","modified":"2026-08-12T10:45:04.866306661Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"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"},{"id":"USN-8561-1","title":"freerdp3 vulnerabilities","description":"It was discovered that FreeRDP contained multiple security issues. An\nattacker could possibly use these issues to obtain sensitive information,\ncause FreeRDP to crash, resulting in a denial of service, or execute\narbitrary code.","status":"published","published":"2026-07-20T11:49:26Z","modified":"2026-10-01T00:17:47.242027428Z","updated_at":"2026-11-02T16:58:25.103481Z"}]}}