PT-2026-141018
CVE-2026-125190
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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 information disclosure vulnerability in decode mvc2() in libavcodec/mvcdec.c that leaks uninitialized stack memory through unchecked palette indices. Attackers can supply a crafted MVC2 stream declaring few colors but referencing higher palette indices, copying process stack contents into decoded RGB frames.
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