MEDIUM 5.8 NVD
CVE-2026-125228
FFmpeg before 8.1.3 and 9.x before 9.0.2 contains an out-of-bounds read vulnerability in put_vector() in libavcodec/vorbisenc.c when NaN samples leave the codeb
FFmpeg before 8.1.3 and 9.x before 9.0.2 contains an out-of-bounds read vulnerability in put_vector() in libavcodec/vorbisenc.c when NaN samples leave the codebook entry at -1. Attackers can supply audio with NaN float samples to the native Vorbis encoder, causing heap reads before arrays that crash the application or leak adjacent heap memory into output.
References
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24392
- https://github.com/FFmpeg/FFmpeg
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.1/libavcodec/vorbisenc.c#L915
- https://github.com/FFmpeg/FFmpeg/commit/e33548ad13fd3495466a651792e8206b1c6f7fd7
- https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-and-9-x-before-9.0.2-out-of-bound
This medium severity vulnerability with a CVSS score of 5.8 was published on 2026-11-09 via NVD.
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