Low severity3.3NVD Advisory· Published Nov 9, 2026

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FFmpeg/Ffmpegllm-fuzzy
Range: <=9.0.2

Patches

Vulnerability mechanics

References

code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25715nvd
github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/exr.cnvd
github.com/FFmpeg/FFmpeg/commit/c05d46ea2919da83233bf4216d3f58428bb54c59nvd
www.vulncheck.com/advisories/ffmpeg-through-9.0.2-integer-overflow-in-openexr-decoder-tile-countnvd

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cvss	0.214
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000