{"id":"CVE-2026-67289","aliases":["ALSA-2026:54485","ALSA-2026:54486","ALSA-2026:54487","CLSA-2026-1791553435","CLSA-2026-1791557610","DEBIAN-CVE-2026-67289","EUVD-2026-51840","GHSA-3x8f-6ffv-v2wc","GHSA-mwwh-mhp9-q7vm","OESA-2026-3853","OESA-2026-3854","OESA-2026-3855","OESA-2026-3856","OESA-2026-3944","RHSA-2026:54485","RHSA-2026:54486","RHSA-2026:54487","RHSA-2026:58710","RHSA-2026:58711","RHSA-2026:58712","RHSA-2026:58713","RHSA-2026:60173","RHSA-2026:61250","RHSA-2026:61251","RHSA-2026:62401","RLSA-2026:54485","RLSA-2026:54486","RLSA-2026:54487","UBUNTU-CVE-2026-67289"],"status":"published","title":"FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection","description":"FreeRDP before 3.29.0 (affected versions \u003c= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00428,"percentile":0.37357,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-113"],"published":"2026-08-01T12:22:17Z","modified":"2026-10-29T11:32:24Z","fixes":[{"ecosystem":"Debian:14","package":"freerdp3","fixed_in":["3.29.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"freerdp3","fixed_in":["3.30.0+dfsg-0ubuntu0.24.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.04:LTS","package":"freerdp3","fixed_in":["3.30.0+dfsg-0ubuntu0.26.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"AlmaLinux:8","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-11.el8_10"}]}],"bundled":4},{"source":"osv","ecosystem":"AlmaLinux:8","package":"freerdp-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-11.el8_10"}]}],"bundled":4},{"source":"osv","ecosystem":"AlmaLinux:8","package":"freerdp-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-11.el8_10"}]}],"bundled":4},{"source":"osv","ecosystem":"AlmaLinux:8","package":"libwinpr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-11.el8_10"}]}],"bundled":4},{"source":"osv","ecosystem":"AlmaLinux:8","package":"libwinpr-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-11.el8_10"}]}],"bundled":4},{"source":"osv","ecosystem":"AlmaLinux:10","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-12.el10_2.8"}]}],"bundled":6},{"source":"osv","ecosystem":"AlmaLinux:10","package":"freerdp-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-12.el10_2.8"}]}],"bundled":6},{"source":"osv","ecosystem":"AlmaLinux:10","package":"freerdp-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-12.el10_2.8"}]}],"bundled":6},{"source":"osv","ecosystem":"AlmaLinux:10","package":"freerdp-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-12.el10_2.8"}]}],"bundled":6},{"source":"osv","ecosystem":"AlmaLinux:10","package":"libwinpr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-12.el10_2.8"}]}],"bundled":6},{"source":"osv","ecosystem":"AlmaLinux:10","package":"libwinpr-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:3.10.3-12.el10_2.8"}]}],"bundled":6},{"source":"osv","ecosystem":"AlmaLinux:9","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.5"}]}],"bundled":4},{"source":"osv","ecosystem":"AlmaLinux:9","package":"freerdp-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.5"}]}],"bundled":4},{"source":"osv","ecosystem":"AlmaLinux:9","package":"freerdp-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.5"}]}],"bundled":4},{"source":"osv","ecosystem":"AlmaLinux:9","package":"libwinpr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.5"}]}],"bundled":4},{"source":"osv","ecosystem":"AlmaLinux:9","package":"libwinpr-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.11.7-7.el9_8.5"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:OracleLinux:7","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els4"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:OracleLinux:7","package":"freerdp-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els4"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:OracleLinux:7","package":"freerdp-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els4"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:OracleLinux:7","package":"libwinpr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els4"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:OracleLinux:7","package":"libwinpr-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els4"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:CentOS:7","package":"freerdp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els4"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:CentOS:7","package":"freerdp-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-5.0.9.el7_9.tuxcare.els4"}]}],"bundled":4},{"source":"osv","ecosystem":"TuxCare:CentOS:7","package":"freerdp-libs","ranges":[{"type":"ECO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before 3.29.0 HTTP Proxy Request Injection via Redirection","description":"FreeRDP before 3.29.0 (affected versions \u003c= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.","status":"published","published":"2026-08-01T12:22:17.937Z","modified":"2026-08-05T13:38:18.715Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"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":"cna"}],"cwes":["CWE-113"],"updated_at":"2026-11-02T14:20:06.562031Z"}],"euvd":[{"id":"EUVD-2026-51840","description":"FreeRDP before 3.29.0 (affected versions \u003c= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.","status":"published","published":"2026-08-01T12:22:17Z","modified":"2026-08-05T13:38:18Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:02:10.813132Z"}],"ghsa":[{"id":"GHSA-3x8f-6ffv-v2wc","title":"FreeRDP before 3.29.0 (affected versions \u003c= 3.28.0) does not validate CRLF and control characters...","description":"FreeRDP before 3.29.0 (affected versions \u003c= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.","status":"published","published":"2026-08-01T15:30:25Z","modified":"2026-08-01T15:30:26Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"},{"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"}],"cwes":["CWE-113"],"updated_at":"2026-11-02T15:10:01.548476Z"}],"nvd":[{"id":"CVE-2026-67289","description":"FreeRDP before 3.29.0 (affected versions \u003c= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.","status":"published","published":"2026-08-01T13:16:57.803Z","modified":"2026-10-02T19:12:56.863Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical","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":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-113"],"updated_at":"2026-11-02T14:12:34.290716Z"}],"osv":[{"id":"CVE-2026-67289","title":"FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection","description":"FreeRDP before 3.29.0 (affected versions \u003c= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.","status":"published","published":"2026-08-01T12:22:17.937Z","modified":"2026-10-28T02:30:56.133813369Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-113"],"updated_at":"2026-11-02T15:45:14.46177Z"},{"id":"DEBIAN-CVE-2026-67289","description":"FreeRDP before 3.29.0 (affected versions \u003c= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.","status":"published","published":"2026-08-01T13:16:57.803Z","modified":"2026-10-03T09:00:11.00211858Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:46:01.68444Z"},{"id":"OESA-2026-3853","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\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a global-buffer-overflow vulnerability was observed in FreeRDP\u0026apos;s Base64 decoding path. The root cause is the implementation-defined signedness of the `char` type: on Arm/AArch64 builds, plain `char` is treated as unsigned, causing the guard condition `c \u0026lt;= 0` to potentially be optimized by the compiler into a simple `c != 0` check. Consequently, non-ASCII bytes (e.g., 0x80-0xFF) may bypass the intended range restriction and be used as an index into a global lookup table, resulting in out-of-bounds access. A malicious server can exploit this to trigger a client-side crash, leading to a denial of service.(CVE-2026-22858)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP\u0026apos;s planar bitmap decoder has an out-of-bounds heap write when decoding RLE planar data. In libfreerdp/codec/planar.c, freerdp_bitmap_decompress_planar() validates the X destination coordinate nXDst against the caller-provided destination stride (nDstStep) even when it is writing into the internal temp buffer pTempData. An attacker can bypass the check with a large nDstStep and a large nXDst, causing planar_decompress_plane_rle() to write past the end of pTempData. This vulnerability is fixed in 3.26.0.(CVE-2026-45700)\n\nA malicious TS Gateway can trigger a heap-buffer-overflow **write** of ~1.8 KiB (or more with larger `frag_length`) of attacker-controlled stub data during RPC RESPONSE reassembly. Default builds may abort immediately (denial of service). Release builds without assert enforcement allow the overflow, which can corrupt heap metadata and potentially enable remote code execution depending on allocator layout and mitigations.(CVE-2026-55194)\n\nFreeRDP before 3.28.0 treats lines beginning with forward slash in RDP files as raw command-line options, exposing the entire CLI parser surface to untrusted files. Attackers can craft malicious RDP files with /rdp2tcp, /cert:ignore, or /drive options to execute arbitrary commands, bypass certificate validation, or expose local filesystems without user interaction.(CVE-2026-64624)\n\nFreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARD_IOCTL_READCACHEA and SCARD_IOCTL_WRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache requests with NULL lookup-name pointers to trigger strlen() on a null pointer, causing client process termination.(CVE-2026-67288)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client\u0026apos;s ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.(CVE-2026-67289)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) contains a heap out-of-bounds read in update_process_glyph_fragments()/glyph_cache_fragment_put() in libfreerdp/cache/glyph.c. When handling a GLYPH_FRAGMENT_ADD update, the code reads a one-byte server-controlled declared fragment size but does not verify it fits within the remaining received buffer before allocating and copying that many bytes. A malicious RDP server can send a short fragment with an oversized declared size, causing the client to read beyond the allocated buffer, resulting in an out-of-bounds read and client crash.(CVE-2026-67291)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) contains an improper certificate hostname validation vulnerability. The TLS hostname matcher (tls_match_hostname() in libfreerdp/crypto/tls.c) treats a wildcard pattern such as *.example.com as matching any hostname ending in .example.com, so it incorrectly accepts a wildcard certificate for multi-label subdomains like a.b.example.com (which OpenSSL\u0026apos;s X509_check_host() rejects). This weakens TLS server authentication under wildcard-certificate conditions.(CVE-2026-67293)\n\nFreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOW_ICON_ORDER when AsyncUpdate is enabled (e.g. xfreerdp /async-update). In update_message_WindowIcon() a shallow CopyMemory() overwrites a freshly allocated lParam-\u0026gt;iconInfo with the parser-owned windowIcon-\u0026gt;iconInfo pointer. After the parser callback returns, update_recv_window_info_order() frees window_icon.iconInfo, but the queued async message still retains and later dispatches that stale pointer. A malicious or compromised RDP server sending a crafted RAIL Window Alternate Secondary Order with WINDOW_ORDER_ICON can trigger use-after-free, leading to memory corruption and client crash.(CVE-2026-67299)\n\nFreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled (e.g., xfreerdp /async-update), update_message_PolygonSC() and update_message_PolygonCB() allocate a fresh points array but copy point data from the address of the order structure instead of from polygonSC-\u0026gt;points / polygonCB-\u0026gt;points, resulting in a client-side out-of-bounds read. A malicious or compromised RDP server sending crafted PolygonSC/PolygonCB update orders can trigger memory disclosure or a client crash.(CVE-2026-67301)\n\nFreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin) across ALSA, sndio, WinMM, and OpenSL ES backends that fail to validate the FramesPerPacket parameter from RDP servers. Attackers can supply a malicious FramesPerPacket value causing allocation size wraparound, resulting in heap-based buffer overflow on ALSA or denial of service on all platforms.(CVE-2026-68580)","status":"published","published":"2026-09-14T16:35:01Z","modified":"2026-09-13T16:45:51.957413154Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-3854","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\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a global-buffer-overflow vulnerability was observed in FreeRDP\u0026apos;s Base64 decoding path. The root cause is the implementation-defined signedness of the `char` type: on Arm/AArch64 builds, plain `char` is treated as unsigned, causing the guard condition `c \u0026lt;= 0` to potentially be optimized by the compiler into a simple `c != 0` check. Consequently, non-ASCII bytes (e.g., 0x80-0xFF) may bypass the intended range restriction and be used as an index into a global lookup table, resulting in out-of-bounds access. A malicious server can exploit this to trigger a client-side crash, leading to a denial of service.(CVE-2026-22858)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP\u0026apos;s planar bitmap decoder has an out-of-bounds heap write when decoding RLE planar data. In libfreerdp/codec/planar.c, freerdp_bitmap_decompress_planar() validates the X destination coordinate nXDst against the caller-provided destination stride (nDstStep) even when it is writing into the internal temp buffer pTempData. An attacker can bypass the check with a large nDstStep and a large nXDst, causing planar_decompress_plane_rle() to write past the end of pTempData. This vulnerability is fixed in 3.26.0.(CVE-2026-45700)\n\nA malicious TS Gateway can trigger a heap-buffer-overflow **write** of ~1.8 KiB (or more with larger `frag_length`) of attacker-controlled stub data during RPC RESPONSE reassembly. Default builds may abort immediately (denial of service). Release builds without assert enforcement allow the overflow, which can corrupt heap metadata and potentially enable remote code execution depending on allocator layout and mitigations.(CVE-2026-55194)\n\nFreeRDP before 3.28.0 treats lines beginning with forward slash in RDP files as raw command-line options, exposing the entire CLI parser surface to untrusted files. Attackers can craft malicious RDP files with /rdp2tcp, /cert:ignore, or /drive options to execute arbitrary commands, bypass certificate validation, or expose local filesystems without user interaction.(CVE-2026-64624)\n\nFreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARD_IOCTL_READCACHEA and SCARD_IOCTL_WRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache requests with NULL lookup-name pointers to trigger strlen() on a null pointer, causing client process termination.(CVE-2026-67288)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client\u0026apos;s ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.(CVE-2026-67289)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) contains a heap out-of-bounds read in update_process_glyph_fragments()/glyph_cache_fragment_put() in libfreerdp/cache/glyph.c. When handling a GLYPH_FRAGMENT_ADD update, the code reads a one-byte server-controlled declared fragment size but does not verify it fits within the remaining received buffer before allocating and copying that many bytes. A malicious RDP server can send a short fragment with an oversized declared size, causing the client to read beyond the allocated buffer, resulting in an out-of-bounds read and client crash.(CVE-2026-67291)\n\nFreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOW_ICON_ORDER when AsyncUpdate is enabled (e.g. xfreerdp /async-update). In update_message_WindowIcon() a shallow CopyMemory() overwrites a freshly allocated lParam-\u0026gt;iconInfo with the parser-owned windowIcon-\u0026gt;iconInfo pointer. After the parser callback returns, update_recv_window_info_order() frees window_icon.iconInfo, but the queued async message still retains and later dispatches that stale pointer. A malicious or compromised RDP server sending a crafted RAIL Window Alternate Secondary Order with WINDOW_ORDER_ICON can trigger use-after-free, leading to memory corruption and client crash.(CVE-2026-67299)\n\nFreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled (e.g., xfreerdp /async-update), update_message_PolygonSC() and update_message_PolygonCB() allocate a fresh points array but copy point data from the address of the order structure instead of from polygonSC-\u0026gt;points / polygonCB-\u0026gt;points, resulting in a client-side out-of-bounds read. A malicious or compromised RDP server sending crafted PolygonSC/PolygonCB update orders can trigger memory disclosure or a client crash.(CVE-2026-67301)\n\nFreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin) across ALSA, sndio, WinMM, and OpenSL ES backends that fail to validate the FramesPerPacket parameter from RDP servers. Attackers can supply a malicious FramesPerPacket value causing allocation size wraparound, resulting in heap-based buffer overflow on ALSA or denial of service on all platforms.(CVE-2026-68580)","status":"published","published":"2026-09-14T16:35:02Z","modified":"2026-09-13T16:45:51.952778917Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-3855","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\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a global-buffer-overflow vulnerability was observed in FreeRDP\u0026apos;s Base64 decoding path. The root cause is the implementation-defined signedness of the `char` type: on Arm/AArch64 builds, plain `char` is treated as unsigned, causing the guard condition `c \u0026lt;= 0` to potentially be optimized by the compiler into a simple `c != 0` check. Consequently, non-ASCII bytes (e.g., 0x80-0xFF) may bypass the intended range restriction and be used as an index into a global lookup table, resulting in out-of-bounds access. A malicious server can exploit this to trigger a client-side crash, leading to a denial of service.(CVE-2026-22858)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP\u0026apos;s planar bitmap decoder has an out-of-bounds heap write when decoding RLE planar data. In libfreerdp/codec/planar.c, freerdp_bitmap_decompress_planar() validates the X destination coordinate nXDst against the caller-provided destination stride (nDstStep) even when it is writing into the internal temp buffer pTempData. An attacker can bypass the check with a large nDstStep and a large nXDst, causing planar_decompress_plane_rle() to write past the end of pTempData. This vulnerability is fixed in 3.26.0.(CVE-2026-45700)\n\nA malicious TS Gateway can trigger a heap-buffer-overflow **write** of ~1.8 KiB (or more with larger `frag_length`) of attacker-controlled stub data during RPC RESPONSE reassembly. Default builds may abort immediately (denial of service). Release builds without assert enforcement allow the overflow, which can corrupt heap metadata and potentially enable remote code execution depending on allocator layout and mitigations.(CVE-2026-55194)\n\nFreeRDP before 3.28.0 treats lines beginning with forward slash in RDP files as raw command-line options, exposing the entire CLI parser surface to untrusted files. Attackers can craft malicious RDP files with /rdp2tcp, /cert:ignore, or /drive options to execute arbitrary commands, bypass certificate validation, or expose local filesystems without user interaction.(CVE-2026-64624)\n\nFreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARD_IOCTL_READCACHEA and SCARD_IOCTL_WRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache requests with NULL lookup-name pointers to trigger strlen() on a null pointer, causing client process termination.(CVE-2026-67288)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client\u0026apos;s ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.(CVE-2026-67289)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) contains a heap out-of-bounds read in update_process_glyph_fragments()/glyph_cache_fragment_put() in libfreerdp/cache/glyph.c. When handling a GLYPH_FRAGMENT_ADD update, the code reads a one-byte server-controlled declared fragment size but does not verify it fits within the remaining received buffer before allocating and copying that many bytes. A malicious RDP server can send a short fragment with an oversized declared size, causing the client to read beyond the allocated buffer, resulting in an out-of-bounds read and client crash.(CVE-2026-67291)\n\nFreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOW_ICON_ORDER when AsyncUpdate is enabled (e.g. xfreerdp /async-update). In update_message_WindowIcon() a shallow CopyMemory() overwrites a freshly allocated lParam-\u0026gt;iconInfo with the parser-owned windowIcon-\u0026gt;iconInfo pointer. After the parser callback returns, update_recv_window_info_order() frees window_icon.iconInfo, but the queued async message still retains and later dispatches that stale pointer. A malicious or compromised RDP server sending a crafted RAIL Window Alternate Secondary Order with WINDOW_ORDER_ICON can trigger use-after-free, leading to memory corruption and client crash.(CVE-2026-67299)\n\nFreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled (e.g., xfreerdp /async-update), update_message_PolygonSC() and update_message_PolygonCB() allocate a fresh points array but copy point data from the address of the order structure instead of from polygonSC-\u0026gt;points / polygonCB-\u0026gt;points, resulting in a client-side out-of-bounds read. A malicious or compromised RDP server sending crafted PolygonSC/PolygonCB update orders can trigger memory disclosure or a client crash.(CVE-2026-67301)\n\nFreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin) across ALSA, sndio, WinMM, and OpenSL ES backends that fail to validate the FramesPerPacket parameter from RDP servers. Attackers can supply a malicious FramesPerPacket value causing allocation size wraparound, resulting in heap-based buffer overflow on ALSA or denial of service on all platforms.(CVE-2026-68580)","status":"published","published":"2026-09-14T16:35:02Z","modified":"2026-09-13T16:45:51.545924212Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-3856","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\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a global-buffer-overflow vulnerability was observed in FreeRDP\u0026apos;s Base64 decoding path. The root cause is the implementation-defined signedness of the `char` type: on Arm/AArch64 builds, plain `char` is treated as unsigned, causing the guard condition `c \u0026lt;= 0` to potentially be optimized by the compiler into a simple `c != 0` check. Consequently, non-ASCII bytes (e.g., 0x80-0xFF) may bypass the intended range restriction and be used as an index into a global lookup table, resulting in out-of-bounds access. A malicious server can exploit this to trigger a client-side crash, leading to a denial of service.(CVE-2026-22858)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP\u0026apos;s planar bitmap decoder has an out-of-bounds heap write when decoding RLE planar data. In libfreerdp/codec/planar.c, freerdp_bitmap_decompress_planar() validates the X destination coordinate nXDst against the caller-provided destination stride (nDstStep) even when it is writing into the internal temp buffer pTempData. An attacker can bypass the check with a large nDstStep and a large nXDst, causing planar_decompress_plane_rle() to write past the end of pTempData. This vulnerability is fixed in 3.26.0.(CVE-2026-45700)\n\nA malicious TS Gateway can trigger a heap-buffer-overflow **write** of ~1.8 KiB (or more with larger `frag_length`) of attacker-controlled stub data during RPC RESPONSE reassembly. Default builds may abort immediately (denial of service). Release builds without assert enforcement allow the overflow, which can corrupt heap metadata and potentially enable remote code execution depending on allocator layout and mitigations.(CVE-2026-55194)\n\nFreeRDP before 3.28.0 treats lines beginning with forward slash in RDP files as raw command-line options, exposing the entire CLI parser surface to untrusted files. Attackers can craft malicious RDP files with /rdp2tcp, /cert:ignore, or /drive options to execute arbitrary commands, bypass certificate validation, or expose local filesystems without user interaction.(CVE-2026-64624)\n\nFreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARD_IOCTL_READCACHEA and SCARD_IOCTL_WRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache requests with NULL lookup-name pointers to trigger strlen() on a null pointer, causing client process termination.(CVE-2026-67288)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client\u0026apos;s ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.(CVE-2026-67289)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) contains a heap out-of-bounds read in update_process_glyph_fragments()/glyph_cache_fragment_put() in libfreerdp/cache/glyph.c. When handling a GLYPH_FRAGMENT_ADD update, the code reads a one-byte server-controlled declared fragment size but does not verify it fits within the remaining received buffer before allocating and copying that many bytes. A malicious RDP server can send a short fragment with an oversized declared size, causing the client to read beyond the allocated buffer, resulting in an out-of-bounds read and client crash.(CVE-2026-67291)\n\nFreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOW_ICON_ORDER when AsyncUpdate is enabled (e.g. xfreerdp /async-update). In update_message_WindowIcon() a shallow CopyMemory() overwrites a freshly allocated lParam-\u0026gt;iconInfo with the parser-owned windowIcon-\u0026gt;iconInfo pointer. After the parser callback returns, update_recv_window_info_order() frees window_icon.iconInfo, but the queued async message still retains and later dispatches that stale pointer. A malicious or compromised RDP server sending a crafted RAIL Window Alternate Secondary Order with WINDOW_ORDER_ICON can trigger use-after-free, leading to memory corruption and client crash.(CVE-2026-67299)\n\nFreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled (e.g., xfreerdp /async-update), update_message_PolygonSC() and update_message_PolygonCB() allocate a fresh points array but copy point data from the address of the order structure instead of from polygonSC-\u0026gt;points / polygonCB-\u0026gt;points, resulting in a client-side out-of-bounds read. A malicious or compromised RDP server sending crafted PolygonSC/PolygonCB update orders can trigger memory disclosure or a client crash.(CVE-2026-67301)\n\nFreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin) across ALSA, sndio, WinMM, and OpenSL ES backends that fail to validate the FramesPerPacket parameter from RDP servers. Attackers can supply a malicious FramesPerPacket value causing allocation size wraparound, resulting in heap-based buffer overflow on ALSA or denial of service on all platforms.(CVE-2026-68580)","status":"published","published":"2026-09-14T16:35:03Z","modified":"2026-09-13T16:45:51.958052193Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-3944","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\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a global-buffer-overflow vulnerability was observed in FreeRDP\u0026apos;s Base64 decoding path. The root cause is the implementation-defined signedness of the `char` type: on Arm/AArch64 builds, plain `char` is treated as unsigned, causing the guard condition `c \u0026lt;= 0` to potentially be optimized by the compiler into a simple `c != 0` check. Consequently, non-ASCII bytes (e.g., 0x80-0xFF) may bypass the intended range restriction and be used as an index into a global lookup table, resulting in out-of-bounds access. A malicious server can exploit this to trigger a client-side crash, leading to a denial of service.(CVE-2026-22858)\n\nFreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP\u0026apos;s planar bitmap decoder has an out-of-bounds heap write when decoding RLE planar data. In libfreerdp/codec/planar.c, freerdp_bitmap_decompress_planar() validates the X destination coordinate nXDst against the caller-provided destination stride (nDstStep) even when it is writing into the internal temp buffer pTempData. An attacker can bypass the check with a large nDstStep and a large nXDst, causing planar_decompress_plane_rle() to write past the end of pTempData. This vulnerability is fixed in 3.26.0.(CVE-2026-45700)\n\nA malicious TS Gateway can trigger a heap-buffer-overflow **write** of ~1.8 KiB (or more with larger `frag_length`) of attacker-controlled stub data during RPC RESPONSE reassembly. Default builds may abort immediately (denial of service). Release builds without assert enforcement allow the overflow, which can corrupt heap metadata and potentially enable remote code execution depending on allocator layout and mitigations.(CVE-2026-55194)\n\nFreeRDP before 3.28.0 treats lines beginning with forward slash in RDP files as raw command-line options, exposing the entire CLI parser surface to untrusted files. Attackers can craft malicious RDP files with /rdp2tcp, /cert:ignore, or /drive options to execute arbitrary commands, bypass certificate validation, or expose local filesystems without user interaction.(CVE-2026-64624)\n\nFreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARD_IOCTL_READCACHEA and SCARD_IOCTL_WRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache requests with NULL lookup-name pointers to trigger strlen() on a null pointer, causing client process termination.(CVE-2026-67288)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client\u0026apos;s ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.(CVE-2026-67289)\n\nFreeRDP before 3.29.0 (affected versions \u0026lt;= 3.28.0) contains a heap out-of-bounds read in update_process_glyph_fragments()/glyph_cache_fragment_put() in libfreerdp/cache/glyph.c. When handling a GLYPH_FRAGMENT_ADD update, the code reads a one-byte server-controlled declared fragment size but does not verify it fits within the remaining received buffer before allocating and copying that many bytes. A malicious RDP server can send a short fragment with an oversized declared size, causing the client to read beyond the allocated buffer, resulting in an out-of-bounds read and client crash.(CVE-2026-67291)\n\nFreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOW_ICON_ORDER when AsyncUpdate is enabled (e.g. xfreerdp /async-update). In update_message_WindowIcon() a shallow CopyMemory() overwrites a freshly allocated lParam-\u0026gt;iconInfo with the parser-owned windowIcon-\u0026gt;iconInfo pointer. After the parser callback returns, update_recv_window_info_order() frees window_icon.iconInfo, but the queued async message still retains and later dispatches that stale pointer. A malicious or compromised RDP server sending a crafted RAIL Window Alternate Secondary Order with WINDOW_ORDER_ICON can trigger use-after-free, leading to memory corruption and client crash.(CVE-2026-67299)\n\nFreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled (e.g., xfreerdp /async-update), update_message_PolygonSC() and update_message_PolygonCB() allocate a fresh points array but copy point data from the address of the order structure instead of from polygonSC-\u0026gt;points / polygonCB-\u0026gt;points, resulting in a client-side out-of-bounds read. A malicious or compromised RDP server sending crafted PolygonSC/PolygonCB update orders can trigger memory disclosure or a client crash.(CVE-2026-67301)\n\nFreeRDP before 3.29.0 contains integer overflow vulnerabilities in the audio input redirection channel (audin) across ALSA, sndio, WinMM, and OpenSL ES backends that fail to validate the FramesPerPacket parameter from RDP servers. Attackers can supply a malicious FramesPerPacket value causing allocation size wraparound, resulting in heap-based buffer overflow on ALSA or denial of service on all platforms.(CVE-2026-68580)","status":"published","published":"2026-09-20T13:23:27Z","modified":"2026-09-20T13:30:27.881377735Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"RHSA-2026:54485","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-13T10:17:49Z","modified":"2026-10-03T10:12:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"RHSA-2026:54486","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-14T10:16:44Z","modified":"2026-10-03T10:12:55Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"RHSA-2026:54487","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-14T10:16:45Z","modified":"2026-10-03T10:12:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"RHSA-2026:58710","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-24T10:18:48Z","modified":"2026-10-03T10:13:22Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"RHSA-2026:58711","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-24T10:18:48Z","modified":"2026-10-03T10:13:23Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"RHSA-2026:58712","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-24T10:18:49Z","modified":"2026-10-03T10:13:23Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"RHSA-2026:58713","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-25T10:22:54Z","modified":"2026-10-03T10:13:24Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"RHSA-2026:60173","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-26T10:18:29Z","modified":"2026-10-03T10:13:46Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.91255Z"},{"id":"RHSA-2026:61250","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-31T10:12:09Z","modified":"2026-10-03T10:13:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.91255Z"},{"id":"RHSA-2026:61251","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-08-31T10:12:09Z","modified":"2026-10-03T10:13:57Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.91255Z"},{"id":"RHSA-2026:62401","title":"Red Hat Security Advisory: freerdp security update","status":"published","published":"2026-09-02T10:22:29Z","modified":"2026-10-03T10:14:05Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:21.91255Z"},{"id":"RLSA-2026:54485","title":"Important: 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: Arbitrary code execution via malicious RDP files (CVE-2026-64624)\n\n* FreeRDP: FreeRDP: Denial of Service via crafted WindowIcon async message (CVE-2026-67299)\n\n* FreeRDP: FreeRDP: HTTP Proxy Request Injection via Redirection (CVE-2026-67289)\n\n* FreeRDP: FreeRDP: Remote code execution or denial of service via audio input integer overflow (CVE-2026-68580)\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":"2026-08-14T06:01:12.756713Z","modified":"2026-08-14T06:30:03.115796763Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.111232Z"},{"id":"RLSA-2026:54486","title":"Important: 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: Remote code execution or denial of service via heap-based buffer overflow (CVE-2026-64620)\n\n* FreeRDP: FreeRDP: Double-free vulnerability via crafted .rdp file leading to potential remote code execution (CVE-2026-64621)\n\n* FreeRDP: FreeRDP: Arbitrary code execution via malicious RDP files (CVE-2026-64624)\n\n* FreeRDP: FreeRDP: Denial of Service via crafted WindowIcon async message (CVE-2026-67299)\n\n* FreeRDP: FreeRDP: HTTP Proxy Request Injection via Redirection (CVE-2026-67289)\n\n* FreeRDP: FreeRDP: Remote code execution or denial of service via audio input integer overflow (CVE-2026-68580)\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":"2026-08-13T18:06:29.7626Z","modified":"2026-08-13T18:25:49.615232379Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.111232Z"},{"id":"RLSA-2026:54487","title":"Important: 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: Arbitrary code execution via malicious RDP files (CVE-2026-64624)\n\n* FreeRDP: FreeRDP: Denial of Service via crafted WindowIcon async message (CVE-2026-67299)\n\n* FreeRDP: FreeRDP: HTTP Proxy Request Injection via Redirection (CVE-2026-67289)\n\n* FreeRDP: FreeRDP: Remote code execution or denial of service via audio input integer overflow (CVE-2026-68580)\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":"2026-08-14T12:03:50.499163Z","modified":"2026-08-14T12:30:04.70350989Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.111232Z"},{"id":"UBUNTU-CVE-2026-67289","description":"FreeRDP before 3.29.0 (affected versions \u003c= 3.28.0) does not validate CRLF and control characters in the server-controlled RDP redirection TargetNetAddress field. This value is copied into the client's ServerHostname and, when the client connects through an HTTP proxy, is written directly into the proxy CONNECT request line and Host header by http_proxy_connect() without filtering. A malicious or compromised RDP server can send a crafted redirection PDU containing embedded control characters to inject arbitrary headers/requests into the HTTP proxy CONNECT request.","status":"published","published":"2026-08-01T13:16:00Z","modified":"2026-10-05T13:04:12.613208304Z","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"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T16:56:53.710209Z"},{"id":"ALSA-2026:54485","title":"Important: 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: Arbitrary code execution via malicious RDP files (CVE-2026-64624)\n  * FreeRDP: FreeRDP: Denial of Service via crafted WindowIcon async message (CVE-2026-67299)\n  * FreeRDP: FreeRDP: HTTP Proxy Request Injection via Redirection (CVE-2026-67289)\n  * FreeRDP: FreeRDP: Remote code execution or denial of service via audio input integer overflow (CVE-2026-68580)\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":"2026-08-13T00:00:00Z","modified":"2026-10-29T11:02:28.851537506Z","updated_at":"2026-11-02T15:27:54.753319Z"},{"id":"ALSA-2026:54486","title":"Important: 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: Remote code execution or denial of service via heap-based buffer overflow (CVE-2026-64620)\n  * FreeRDP: FreeRDP: Double-free vulnerability via crafted .rdp file leading to potential remote code execution (CVE-2026-64621)\n  * FreeRDP: FreeRDP: Arbitrary code execution via malicious RDP files (CVE-2026-64624)\n  * FreeRDP: FreeRDP: Denial of Service via crafted WindowIcon async message (CVE-2026-67299)\n  * FreeRDP: FreeRDP: HTTP Proxy Request Injection via Redirection (CVE-2026-67289)\n  * FreeRDP: FreeRDP: Remote code execution or denial of service via audio input integer overflow (CVE-2026-68580)\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":"2026-08-13T00:00:00Z","modified":"2026-10-29T11:30:38.806967669Z","updated_at":"2026-11-02T15:27:54.753319Z"},{"id":"ALSA-2026:54487","title":"Important: 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: Arbitrary code execution via malicious RDP files (CVE-2026-64624)\n  * FreeRDP: FreeRDP: Denial of Service via crafted WindowIcon async message (CVE-2026-67299)\n  * FreeRDP: FreeRDP: HTTP Proxy Request Injection via Redirection (CVE-2026-67289)\n  * FreeRDP: FreeRDP: Remote code execution or denial of service via audio input integer overflow (CVE-2026-68580)\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":"2026-08-13T00:00:00Z","modified":"2026-10-29T11:32:24.131891468Z","updated_at":"2026-11-02T15:27:54.753319Z"},{"id":"CLSA-2026-1791553435","title":"freerdp: Fix of 4 CVEs","description":"- CVE-2026-68580: reject a FramesPerPacket of INT32_MAX or more in audin_process_open() before it is stored, so a malicious server cannot overflow the per-packet size arithmetic in the audio input backends\n- CVE-2026-66402: return the real length of certificate ASN.1 strings and reject values that are not a host name or IP, so a certificate carrying an embedded NUL can no longer pass identity validation as a shorter, different name\n- CVE-2026-67300: deep-clone WINDOW_STATE_ORDER and NOTIFY_ICON_STATE_ORDER before posting them to the async update queue, and free the clone in the message destructor; the shallow copies referenced parser-owned heap released as soon as the callback returned\n- CVE-2026-67289: validate the server-supplied redirection fields - addresses must parse as IPv4/IPv6, FQDN and NetBIOS name must look like a host, username and domain must not contain line breaks - so CRLF in TargetNetAddress can no longer be injected into the HTTP proxy CONNECT request","status":"published","published":"2026-10-09T13:44:08Z","modified":"2026-10-26T09:43:35.626505259Z","updated_at":"2026-11-02T15:43:50.599064Z"},{"id":"CLSA-2026-1791557610","title":"freerdp: Fix of 4 CVEs","description":"- CVE-2026-68580: reject a FramesPerPacket of INT32_MAX or more in audin_process_open() before it is stored, so a malicious server cannot overflow the per-packet size arithmetic in the audio input backends\n- CVE-2026-66402: return the real length of certificate ASN.1 strings and reject values that are not a host name or IP, so a certificate carrying an embedded NUL can no longer pass identity validation as a shorter, different name\n- CVE-2026-67300: deep-clone WINDOW_STATE_ORDER and NOTIFY_ICON_STATE_ORDER before posting them to the async update queue, and free the clone in the message destructor; the shallow copies referenced parser-owned heap released as soon as the callback returned\n- CVE-2026-67289: validate the server-supplied redirection fields - addresses must parse as IPv4/IPv6, FQDN and NetBIOS name must look like a host, username and domain must not contain line breaks - so CRLF in TargetNetAddress can no longer be injected into the HTTP proxy CONNECT request","status":"published","published":"2026-10-09T14:54:00Z","modified":"2026-10-26T09:43:47.837733556Z","updated_at":"2026-11-02T15:43:50.599064Z"}]}}