Name | CVE-2017-9996 |
Description | The cdxl_decode_frame function in libavcodec/cdxl.c in FFmpeg 2.8.x before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 does not exclude the CHUNKY format, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|---|---|---|
ffmpeg (PTS) | stretch (security) | 7:3.2.18-0+deb9u1 | fixed |
stretch (lts), stretch | 7:3.2.19-0+deb9u4 | fixed | |
buster (security), buster, buster (lts) | 7:4.1.11-0+deb10u1 | fixed | |
bullseye | 7:4.3.7-0+deb11u1 | fixed | |
bullseye (security) | 7:4.3.8-0+deb11u1 | fixed | |
bookworm (security), bookworm | 7:5.1.6-0+deb12u1 | fixed | |
sid, trixie | 7:7.0.2-3 | fixed | |
libav (PTS) | jessie, jessie (lts) | 6:11.12-1~deb8u9 | fixed |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|---|---|---|---|---|---|
ffmpeg | source | (unstable) | 7:3.2.5-1 | |||
libav | source | (unstable) | (not affected) |
- libav <not-affected> (Vulnerable feature not present)
https://github.com/FFmpeg/FFmpeg/commit/1e42736b95065c69a7481d0cf55247024f54b660
https://github.com/FFmpeg/FFmpeg/commit/e1b60aad77c27ed5d4dfc11e5e6a05a38c70489d
The bug affects FFmpeg's support for CHUNKY cdxl files, a feature that is
not present in Libav. Libav detects CHUNKY files and bails out early.