GHSA-77pg-jq65-mg2fMediumCVSS 3.3
FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in...
🔗 CVE IDs covered (1)
📋 Description
FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in av_dynamic_hdr_plus_to_t35() that leaves up to three payload bytes uninitialized when tone_mapping_flag is 0. Attackers can supply crafted Matroska T.35 BlockAdditional or HEVC/AV1 SEI metadata so that remuxing or transcoding writes leaked process memory into output files.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-107676
- https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/2c2f6e96e31795ae95a8f8323a493ffbc493111f
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24590
- https://ffmpeg.org
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavutil/hdr_dynamic_metadata.c#L374-L385
- https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-uninitialized-memory-disclosure-via-hdr10-metadata-serializer
- https://github.com/advisories/GHSA-77pg-jq65-mg2f