CVE-2026-125102
FFmpeg through 9.0.2 TAK Decoder Uninitialized Memory Disclosure via takdec.c
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in tak_decode_frame() in libavcodec/takdec.c that fails to verify multichannel decorrelation lists cover every channel. Attackers can supply crafted multichannel TAK files omitting channels from the list, causing undecoded sample buffers to leak heap memory through decoded audio.
| CWE | CWE-908 |
| Vendor | ffmpeg |
| Product | ffmpeg |
| Published | Nov 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
FFmpeg / FFmpeg
0 ≤ 9.0.2
References
code.ffmpeg.org: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25703 github.com: https://github.com/FFmpeg/FFmpeg/commit/01e1bb126179879201429952cc2dcaea0d50d603 github.com: https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/takdec.c#L836 github.com: https://github.com/FFmpeg/FFmpeg vulncheck.com: https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-tak-decoder-uninitialized-memory-disclosure-via-takdec-c
Credits
Joshua Rogers (AISLE Research) Michael Niedermayer