| Name | CVE-2026-52295 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6268-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ffmpeg (PTS) | bookworm, bookworm (security) | 7:5.1.9-0+deb12u1 | fixed |
| trixie (security), trixie | 7:7.1.5-0+deb13u1 | fixed |
| forky | 7:8.1.2-2 | fixed |
| sid | 7:9.0.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ffmpeg | source | bookworm | (not affected) | | | |
| ffmpeg | source | trixie | 7:7.1.4-0+deb13u1 | | DSA-6268-1 | |
| ffmpeg | source | (unstable) | 7:8.1.1-1 | | | |
Notes
[bookworm] - ffmpeg <not-affected> (Vulnerable code not present)
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22988
Fixed by: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/016a241102250372a9c2e96f6e8dca67ec01d3f7 (n9.0)
Fixed by: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/d26ce3ec60142eef7d325b5ade4e8f38c6a82015 (n8.1.1)
Fixed by: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/dcba95fb05be76f5b777e94fef4b64a74741aa8a (n7.1.4)
Introduced by: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/4ee05182b7cccfa6928dcb0a45c2b50b7d9ea39b (n7.0)