CVE-2026-125208: falha de alta gravidade em FFmpeg
FFmpeg through 9.0.2 V4L2 M2M Encoder Out-of-Bounds Write in v4l2_buffers.c
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18Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.3
FFmpeg through 9.0.2 contains an out-of-bounds write vulnerability in v4l2_buffer_swframe_to_buf() in libavcodec/v4l2_buffers.c because cumulative plane offsets are not checked against the V4L2 buffer length. Attackers can supply crafted video whose dimensions or padding cause unsigned wraparound in v4l2_bufref_to_buf(), making memcpy() write past the mmaped driver buffer during V4L2 M2M encoding.
CVSS:4.0/AV:L/AC:H/AT:P/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/24328https://github.com/FFmpeg/FFmpeghttps://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/v4l2_buffers.c#L309https://github.com/FFmpeg/FFmpeg/commit/b8f159858e2fd29dae4fa34d9e713bbf9bbf190ehttps://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-v4l2-m2m-encoder-out-of-bounds-write-in-v4l2-buffers-c