MEDIUM 6.8 NVD
CVE-2026-125067
FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in vble_decode_frame() in libavcodec/vble.c because it ignores init_get_bits() failure on
FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in vble_decode_frame() in libavcodec/vble.c because it ignores init_get_bits() failure on oversized packets. Attackers can supply a crafted AVI file with a 268435452-byte VBLE frame, causing reads from a NULL bit reader buffer that crash the process.
References
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25704
- https://github.com/FFmpeg/FFmpeg
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/vble.c#L139
- https://github.com/FFmpeg/FFmpeg/commit/1206df65e54b6e9c01459c7cd9a95f9bde2736d7
- https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-vble-decoder-null-pointer-derefe
This medium severity vulnerability with a CVSS score of 6.8 was published on 2026-11-09 via NVD.
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