| Name | CVE-2022-48434 |
| Description | libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances (e.g., hardware re-initialization upon a mid-video SPS change when Direct3D11 is used). |
| 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-5721-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ffmpeg (PTS) | bullseye | 7:4.3.7-0+deb11u1 | fixed |
| bullseye (security) | 7:4.3.9-0+deb11u1 | fixed | |
| bookworm, bookworm (security) | 7:5.1.7-0+deb12u1 | fixed | |
| trixie | 7:7.1.1-1 | fixed | |
| trixie (security) | 7:7.1.2-0+deb13u1 | fixed | |
| forky, sid | 7:7.1.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| ffmpeg | source | bullseye | 7:4.3.7-0+deb11u1 | DSA-5721-1 | ||
| ffmpeg | source | (unstable) | 7:5.1.2-1 |
[buster] - ffmpeg <postponed> (Wait until the backport to 4.x)
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/cc867f2c09d2b69cee8a0eccd62aff002cbbfe11 (n6.1-dev)
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/35aa7e70e7ec350319e7634a30d8d8aa1e6ecdda (n5.1.2)
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/d4b7b3c03ee2baf0166ce49dff17ec9beff684db (n4.4.3)