Medium severity4.7NVD Advisory· Published Nov 9, 2026
CVE-2026-125242
CVE-2026-125242
Description
FFmpeg through 9.0.2 contains a memory leak vulnerability in libavcodec/vdpau.c that allows attackers to exhaust heap memory by aborting pictures before end_frame. Attackers can supply crafted H.264 streams with malformed NAL units that repeatedly abandon pictures, leaking the bitstream_buffers table continuously and causing denial of service.
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Affected products
1Patches
Vulnerability mechanics
References
5- code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25231nvd
- github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/vdpau.cnvd
- github.com/FFmpeg/FFmpeg/commit/2c6cd8098844f2367f8ba0a3a483e405c8f76449nvd
- github.com/FFmpeg/FFmpeg/commit/eac2bedcf6245552b39eed32b334851bc6a1b8fanvd
- www.vulncheck.com/advisories/ffmpeg-through-9.0.2-memory-leak-via-vdpau-hwaccel-bitstream-buffer-tablenvd
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