Vulnerability of the avc444_ensure_buffer() function in the libfreerdp/codec/h264.c file of the RDP client FreeRDP, allowing a intruder to execute arbitrary code

The vulnerability of the avc444ensurebuffer function in the libfreerdp/codec/h264.c file of the RDP client FreeRDP is related to buffer overflow in dynamic memory. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

CVE-2026-55191: Heap-based Buffer Overflow

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-2023-40187

A use-after-free flaw was found in FreeRDP. This issue occurs in the avc420ensurebuffer and avc444ensurebuffer functions, which may result in a crash...

CVE-2023-40187

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. Affected versions of the 3.x beta branch are subject to a Use-After-Free issue in the avc420ensurebuffer and avc444ensurebuffer functions. If the value of piDstSizex is 0, ppYUVDstDatax will be...

CVE-2023-40187

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. Affected versions of the 3.x beta branch are subject to a Use-After-Free issue in the avc420ensurebuffer and avc444ensurebuffer functions. If the value of piDstSizex is 0, ppYUVDstDatax will be...

CVE-2023-40187

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. Affected versions of the 3.x beta branch are subject to a Use-After-Free issue in the avc420ensurebuffer and avc444ensurebuffer functions. If the value of piDstSizex is 0, ppYUVDstDatax will be...

CVE-2023-40187

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. Affected versions of the 3.x beta branch are subject to a Use-After-Free issue in the avc420ensurebuffer and avc444ensurebuffer functions. If the value of piDstSizex is 0, ppYUVDstDatax will be...

CVE-2023-40187: Use After Free

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. Affected versions of the 3.x beta branch are subject to a Use-After-Free issue in the avc420ensurebuffer and avc444ensurebuffer functions. If the value of piDstSizex is 0, ppYUVDstDatax will be...