CVE-2026-125100

Description

FFmpeg through 9.0.2 contains an integer overflow vulnerability in the OpenEXR decoder's decode_frame() in libavcodec/exr.c that miscalculates the tiled block count. Attackers can supply a crafted tiled OpenEXR image with large dimensions and small tiles to skip decoding and disclose uninitialized memory or stale frame data.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

References

• https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25715 ↗
• https://github.com/FFmpeg/FFmpeg/commit/c05d46ea2919da83233bf4216d3f58428bb54c59 ↗
• https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/exr.c#L2219 ↗
• https://github.com/FFmpeg/FFmpeg ↗
• https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-integer-overflow-in-openexr-decoder-tile-count ↗