GHSA-rhrp-rq7x-qmc3MediumCVSS 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 ff_jpegls_decode_picture() in libavcodec/jpeglsdec.c, which decodes 16-bit line-interleaved JPEG-LS scans as 8-bit samples. Attackers can supply a crafted single-component JPEG-LS image with the ILV byte set to 1, causing decoded GRAY16 frames to expose leftover heap memory.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-125243
- https://github.com/FFmpeg/FFmpeg/commit/60bc31fcf6543505e6d2fc1a9399cca95f54ba4d
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25303
- https://github.com/FFmpeg/FFmpeg
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/jpeglsdec.c#L483
- https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-uninitialized-memory-disclosure-via-jpeg-ls-decoder
- https://github.com/advisories/GHSA-rhrp-rq7x-qmc3