CVE-2026-55192 FreeRDP: Out-of-bounds read in H.264 YUV-to-RGB conversion due to decoder/surface dimension mismatch

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...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.0, a client-side heap buffer overflow occurred in the FreeRDP client’s AVC420/AVC444 YUV-to-RGB conversion process. This issue arose due to a lack of validation of the horizontal bounds of the H.264 metablock...

OPENSUSE-SU-2026:20657-1 Security update for freerdp

This update for freerdp fixes the following issues: Update to version 3.24.2. Security issues fixed: - CVE-2026-25941: out-of-bounds read in the FreeRDP client RDPGFX channel bsc1258919. - CVE-2026-25942: buffer overflow of global array in xfrailserverexecuteresult bsc1258920. - CVE-2026-25952:...

Medium: freerdp

Issue Overview: 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...

Medium: freerdp

Issue Overview: 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...

Amazon Linux 2023 : freerdp, freerdp-devel, freerdp-libs (ALAS2023-2026-1520)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1520 advisory. 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...

SUSE CVE-2026-29774

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...

CVE-2026-29774

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...

CVE-2026-29774

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...

CVE-2026-29774

A heap based buffer overflow flaw has been discovered in FreeRDP. 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. A malicious server can trigger a...

CVE-2026-29774

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...

CVE-2026-29774

CVE-2026-29774 affects FreeRDP prior to 3.24.0, where a client-side heap buffer overflow can occur in the AVC420/AVC444 YUV-to-RGB path due to missing horizontal bounds validation of regionRects coordinates. Specifically, yuv.c clamp() validates top/bottom but not left/right against surface width...

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...

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...

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...

EUVD-2026-12055

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...

UBUNTU-CVE-2023-40575

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the generalYUV444ToRGB8uP3AC4RBGRX function. This issue is likely down to insufficient data for the pSrc variable and results in crashe...