DEBIAN-CVE-2026-109245

FreeRDP 3.0.0 before 3.32.0 contains an improper certificate validation vulnerability in freerdphttprequest in libfreerdp/utils/http.c that completes TLS handshakes without verifying the server certificate chain. On-path attackers can impersonate login.microsoftonline.com in the Azure AD...

CVE-2026-109245: Improper Certificate Validation

FreeRDP 3.0.0 before 3.32.0 contains an improper certificate validation vulnerability in freerdphttprequest in libfreerdp/utils/http.c that completes TLS handshakes without verifying the server certificate chain. On-path attackers can impersonate login.microsoftonline.com in the Azure AD...

CLEANSTART-2024-JW57154 libfreerdp/core/update

Security vulnerability affects the freerdp package. libfreerdp/core/update...

CLEANSTART-2024-EL38681 libfreerdp/cache/bitmap

Security vulnerability affects the freerdp package. libfreerdp/cache/bitmap...

CLEANSTART-2024-SC76338 libfreerdp/codec/interleaved

Security vulnerability affects the freerdp package. libfreerdp/codec/interleaved...

CLEANSTART-2024-AP18011 libfreerdp/gdi/region

Security vulnerability affects the freerdp package. libfreerdp/gdi/region...

CLEANSTART-2024-GB73979 libfreerdp/gdi/gdi

Security vulnerability affects the freerdp package. libfreerdp/gdi/gdi...

CLEANSTART-2024-TU64731 libfreerdp/codec/planar

Security vulnerability affects the freerdp package. libfreerdp/codec/planar...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: freerdp (UTSA-2026-126162)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-126162 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP clients using TS Gateway accept a server-controlled maxxmitfrag value in...

ANT-2026-EWM7B5QP · freerdp/freerdp · Heap Buffer Overflow

heap-buffer-overflow high CVE-2026-63633 GHSA-72j9-356v-88xq Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-EWM7B5QP: Opus aud...

CVE-2026-85089

FreeRDP versions 3.0.0 through 3.30.0 before 3.31.0 transmit uninitialized heap memory in Save Session Info PDU reserved padding fields. Three PDU writers in libfreerdp/core/info.c rdpwritelogoninfov2, rdpwritelogoninfoplain, and rdpwritelogoninfoex use StreamSeek instead of StreamZero for reserv...

CVE-2026-85089: Use of Uninitialized Resource

FreeRDP versions 3.0.0 through 3.30.0 before 3.31.0 transmit uninitialized heap memory in Save Session Info PDU reserved padding fields. Three PDU writers in libfreerdp/core/info.c rdpwritelogoninfov2, rdpwritelogoninfoplain, and rdpwritelogoninfoex use StreamSeek instead of StreamZero for reserv...

CVE-2026-85089: Use of Uninitialized Resource

FreeRDP versions 3.0.0 through 3.30.0 before 3.31.0 transmit uninitialized heap memory in Save Session Info PDU reserved padding fields. Three PDU writers in libfreerdp/core/info.c rdpwritelogoninfov2, rdpwritelogoninfoplain, and rdpwritelogoninfoex use StreamSeek instead of StreamZero for reserv...

CVE-2026-63633

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, freerdpdspdecodeopus in libfreerdp/codec/dsp.c calls StreamEnsureRemainingCapacity on context-common.buffer even though opusdecode writes decoded PCM into the caller-supplied out stream. A malicious RDP server that...

CVE-2026-63633 FreeRDP: Heap buffer overflow in Opus audio decode (`freerdp_dsp_decode_opus` resizes the wrong stream) — server→client

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, freerdpdspdecodeopus in libfreerdp/codec/dsp.c calls StreamEnsureRemainingCapacity on context-common.buffer even though opusdecode writes decoded PCM into the caller-supplied out stream. A malicious RDP server that...

CVE-2026-55192

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP H.264 decoder backends can return YUV planes sized from the bitstream without comparing the decoded width and height to the RDPGFX surface dimensions used to validate region rectangles. A malicious RDP serve...

CVE-2026-55192

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP H.264 decoder backends can return YUV planes sized from the bitstream without comparing the decoded width and height to the RDPGFX surface dimensions used to validate region rectangles. A malicious RDP serve...

CVE-2026-55648

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, freerdpimagecopyfromicondata in libfreerdp/codec/color.c calculates nWidth multiplied by nHeight multiplied by FreeRDPGetBytesPerPixelformat in 32-bit arithmetic. A malicious RDP server can send a RAIL TSICONINFO...

CVE-2026-55193

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP clients using TS Gateway accept a server-controlled maxxmitfrag value in libfreerdp/core/gateway/rpcbind.c without bounding it to the 4088-byte ReceiveFragment allocation. A malicious gateway can advertise...

CVE-2026-55564 FreeRDP: Out-of-bounds read in glyph_cache_get via crafted glyph fragments

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, the glyphcacheget function in libfreerdp/cache/glyph.c checks whether index is greater than cache-number instead of greater than or equal to it. A malicious RDP server can use GLYPHFRAGMENTUSE replay in...