CVE-2026-125097

CVSS 4.8 (medium) · published 2026-11-09

FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in raw_decode() in libavcodec/rawdec.c that fails to verify packet stride covers a full row for 1 to 8 bits per pixel video. Attackers can supply crafted AVI, MOV or NUT files with truncated low bit depth rawvideo packets to leak uninitialized heap memory through decoded frame output.

Weakness: CWE-908

Source: NVD CVE-2026-125097

References

• https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25715
• https://github.com/FFmpeg/FFmpeg
• https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/rawdec.c#L208
• https://github.com/FFmpeg/FFmpeg/commit/01a395b935b9da12dbeca588a7130c4db6a14689
• https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-uninitialized-heap-memory-disclosure-via-rawdec-c-raw-video-decoder

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