CVE-2026-125229: falha de alta gravidade em FFmpeg
FFmpeg through 9.0.2 Out-of-Bounds Memory Access in Huffyuv/FFVHUFF Median Predictor
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18Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.5
FFmpeg through 9.0.2 contains an out-of-bounds memory access vulnerability in the encode_frame() function of libavcodec/huffyuvenc.c, because encode_init() never validates minimum frame dimensions for the median predictor. Attackers can supply a tiny video, such as a 2-pixel-wide or 1-2-pixel-tall frame, that causes negative sub_median_pred lengths and out-of-bounds reads and writes when transcoded to huffyuv or ffvhuff, crashing the encoder.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Produtos afetados
FFmpeg · FFmpegCVEs relacionadas — FFmpeg
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Referências
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25573https://github.com/FFmpeg/FFmpeghttps://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/huffyuvenc.c#L762https://github.com/FFmpeg/FFmpeg/commit/45f98d0819efe2b7ce93e9034b7e6a4ed6700621https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-out-of-bounds-memory-access-in-huffyuv-ffvhuff-median-predictor