Description
FFmpeg before 9.0 has an out-of-bounds read because the copied extradata lacked required padding before GetBitContext-based access in libavformat/iamf_writer.c.
Affected products
ffmpeg: ffmpeg
References3
- code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22988 Issue TrackingPatch
- git.ffmpeg.org/gitweb/ffmpeg.git/commit/8439e0203744a30d280668f… Patch
- github.com/Kenan-Kamel/VulnerabilitiesReference/tree/main/FFmpe… Third Party Advisory
Metrics
- CVSS 3.1
-
2.9
LOW
Score source: CNA
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - EPSS — exploit probability
- 0% percentile: 7 · as of 8 November 2026
- CWE
- CWE-125CWE-120
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