PT-2026-140992
CVE-2026-125099
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Published
2026-11-09
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Updated
2026-11-09
Description by
CVSS 3.1
3.3
LowMetricsAV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in the GEM raster image decoder in libavcodec/gemdec.c that exposes uninitialized row-buffer bytes. Attackers can supply a crafted GEM .img image using SKIP or pattern opcodes to copy uninitialized heap memory into decoded frames, disclosing heap contents.
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