| Name | CVE-2026-38344 |
| Description | A NULL pointer dereference in the get_min_buffer_size function (/libswscale/slice.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted video file. |
| 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, DSA-6276-1 |
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, bookworm (security) | 7:5.1.9-0+deb12u1 | fixed |
| trixie (security), trixie | 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
https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21583
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22365
Fixed by: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/dc9bf66796b7c1f4329f127736ddf3258e5ba206 (n8.1)
Fixed by: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/af29ae54a4c9b2d3b3ccb4963f86698c69f28091 (n7.1.4)
Fixed by: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/ea3290bf6e92b0fd905121ee6fbebf1199f8fd24 (n5.1.9)