HIGH 7.3 NVD
CVE-2026-125196
FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in liboapve_encode() in libavcodec/liboapvenc.c that allows attackers to corrupt heap memory
FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in liboapve_encode() in libavcodec/liboapvenc.c that allows attackers to corrupt heap memory by supplying frames larger than the configured encoder dimensions. Attackers can craft videos whose resolution changes mid-stream so that transcoding to APV without rescaling writes attacker-controlled pixel data past the imgb plane buffers.
References
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25416
- https://github.com/FFmpeg/FFmpeg
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/liboapvenc.c#L578
- https://github.com/FFmpeg/FFmpeg/commit/87cdb6cd6a8d1ec201cb82b30e64d5f946939e23
- https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-heap-buffer-overflow-via-liboapv
This high severity vulnerability with a CVSS score of 7.3 was published on 2026-11-09 via NVD.
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