CVE-2026-125182: fallo de gravedad media en FFmpeg
FFmpeg through 9.0.2 Out-of-Bounds Read via Cook Decoder js_subband_start
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
10Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 4.8
FFmpeg through 9.0.2 contains an out-of-bounds read vulnerability in the Cook decoder joint_decode() function because cook_decode_init() does not check js_subband_start against subbands. Attackers can supply a crafted RealMedia file whose extradata causes reads past decode_buffer_0, leaking pointers and decoder state into decoded audio to help defeat ASLR.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Productos afectados
FFmpeg · FFmpegCVEs relacionadas — FFmpeg
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Referencias
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24763https://github.com/FFmpeg/FFmpeghttps://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/cook.c#L854https://github.com/FFmpeg/FFmpeg/commit/7145d13201c9f9c5253f40295714faa4f4ada1a0https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-out-of-bounds-read-via-cook-decoder-js-subband-start