| Name | CVE-2026-30997 |
| Description | An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input. |
| 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-6276-1, DSA-6361-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ffmpeg (PTS) | bullseye | 7:4.3.7-0+deb11u1 | vulnerable |
| bullseye (security) | 7:4.3.9-0+deb11u2 | vulnerable |
| bookworm | 7:5.1.8-0+deb12u1 | vulnerable |
| bookworm (security) | 7:5.1.9-0+deb12u1 | fixed |
| trixie | 7:7.1.3-0+deb13u1 | vulnerable |
| trixie (security) | 7:7.1.5-0+deb13u1 | fixed |
| forky, sid | 7:8.1.2-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - ffmpeg <postponed> (Minor issue)
https://excellent-oatmeal-319.notion.site/CVE-2026-30997-Out-of-Bounds-Access-a7929817b9794568b2f7774397c7d65f
Fixed by: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/1a2c16fe514b60e1860829c42ce199de77a007e5
Fixed by: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/6266867e7bc4106dd3f77d6d702a0499fb3254db (n8.1.1)
Fixed by: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/3c4ca300f469d657051c8584515870fe9c36aaa3 (n8.0.2)
Fixed by: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/9abe92e3af7fa7becc8f7f742b1457b4c28220a6 (n7.1.4)
Fixed by: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/74c75e9ceacd99d20c09d09fec73c1b15ffd6172 (n5.1.9)