CVE-2026-85090

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFXAVC444BITMAPSTREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocate...

DEBIAN-CVE-2026-85090

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFXAVC444BITMAPSTREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocate...

CVE-2026-85090

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFXAVC444BITMAPSTREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocate...

CVE-2026-85090

A flaw was found in FreeRDP. A heap out-of-bounds read vulnerability exists in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A remote attacker, acting as a malicious Remote Desktop Protocol RDP server, can exploit this by sending a specially crafted...

CVE-2026-85090 FreeRDP before 3.31.0 Heap Out-of-Bounds Read via AVC444

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFXAVC444BITMAPSTREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocate...

CVE-2026-85090

FreeRDP before 3.31.0 is affected by a heap out-of-bounds read in the general_ChromaV1ToYUV444 function, which handles AVC444 chroma plane reconstruction . A malicious RDP server can craft an RFX_AVC444_BITMAP_STREAM with specific frame geometry to trigger an out-of-bounds memory read past the al...

CVE-2026-85090

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFXAVC444BITMAPSTREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocate...

EUVD-2026-70300

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFXAVC444BITMAPSTREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocate...

CVE-2026-85090 FreeRDP before 3.31.0 Heap Out-of-Bounds Read via AVC444

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFXAVC444BITMAPSTREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocate...

Linux Distros Unpatched Vulnerability : CVE-2026-85090

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the generalChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A...

CVE-2026-55191

A flaw was found in FreeRDP. FreeRDP clients that negotiate RDPGFX AVC444 with an H.264 decoder backend are vulnerable to a heap-buffer-overflow. A malicious Remote Desktop Protocol RDP server can supply crafted surface dimensions, causing an undersized buffer to be allocated. This can lead to a...

CVE-2026-55191 FreeRDP: Heap-buffer-overflow write in AVC444 YUV buffer allocation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP clients that negotiate RDPGFX AVC444 with an H.264 decoder backend calculate the intermediate YUV444 allocation size in libfreerdp/codec/h264.c with 32-bit multiplication in avc444ensurebuffer. A malicious R...

CVE-2026-55191 FreeRDP: Heap-buffer-overflow write in AVC444 YUV buffer allocation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP clients that negotiate RDPGFX AVC444 with an H.264 decoder backend calculate the intermediate YUV444 allocation size in libfreerdp/codec/h264.c with 32-bit multiplication in avc444ensurebuffer. A malicious R...

CVE-2026-55191 FreeRDP: Heap-buffer-overflow write in AVC444 YUV buffer allocation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP clients that negotiate RDPGFX AVC444 with an H.264 decoder backend calculate the intermediate YUV444 allocation size in libfreerdp/codec/h264.c with 32-bit multiplication in avc444ensurebuffer. A malicious R...

CVE-2026-55191

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP clients that negotiate RDPGFX AVC444 with an H.264 decoder backend calculate the intermediate YUV444 allocation size in libfreerdp/codec/h264.c with 32-bit multiplication in avc444ensurebuffer. A malicious R...

UBUNTU-CVE-2026-55191

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, FreeRDP clients that negotiate RDPGFX AVC444 with an H.264 decoder backend calculate the intermediate YUV444 allocation size in libfreerdp/codec/h264.c with 32-bit multiplication in avc444ensurebuffer. A malicious R...

CVE-2026-29774 FreeRDP has a heap-buffer-overflow in avc420_yuv_to_rgb via OOB regionRects

FreeRDP 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'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...

FreeRDP 缓冲区错误漏洞

FreeRDP is an open-source RDP protocol implementation developed by the FreeRDP team. Versions of FreeRDP prior to 3.24.0 contained a buffer error vulnerability. This vulnerability stemmed from a heap buffer overflow in the YUV-to-RGB conversion process implemented by AVC420/AVC444, which could...

PT-2026-25332

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.24.0 Description FreeRDP is a free implementation of the Remote Desktop Protocol. A client-side heap buffer overflow occurs in the FreeRDP client's AVC420/AVC444 YUV-to-RGB conversion path due to missing horizontal...

The vulnerabilities of the functions avc420_ensure_buffer() and avc444_ensure_buffer() in the RDP client FreeRDP allow a attacker to cause a service failure or exert other effects.

The vulnerability of the functions avc420ensurebuffer and avc444ensurebuffer in the RDP client FreeRDP is related to the use of memory after it is freed. Exploiting this vulnerability can allow a malicious actor to cause service failures or other adverse effects...