CVE-2026-75144 FFmpeg Heap Buffer Overflow in VC-2/Dirac RTP Packetizer

FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer libavformat/rtpencvc2hq.c that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a...

PT-2026-78527

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to commit 1cdeb3c Description A heap buffer overflow exists in the VC-2/Dirac RTP packetizer within the libavformat/rtpenc vc2hq.c file. The issue occurs because the packetizer copies an input-derived data unit or fragmen...