| Name | CVE-2017-9051 |
| Description | libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ffmpeg (PTS) | buster | 7:4.1.9-0+deb10u1 | fixed |
| buster (security) | 7:4.1.11-0+deb10u1 | fixed |
| bullseye (security), bullseye | 7:4.3.6-0+deb11u1 | fixed |
| bookworm, bookworm (security) | 7:5.1.4-0+deb12u1 | fixed |
| trixie | 7:6.1.1-1 | fixed |
| sid | 7:6.1.1-3 | 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) | 7:2.6.1-1 | low | | |
| libav | source | wheezy | (not affected) | | | |
| libav | source | jessie | (not affected) | | | |
| libav | source | (unstable) | (unfixed) | low | | |
Notes
[jessie] - libav <not-affected> (Tested with the original reproducer, 0.11 branch not vulnerable)
[wheezy] - libav <not-affected> (Tested with the original reproducer, 0.8 branch not vulnerable)
Fix in libav: https://github.com/libav/libav/commit/fe6eea99efac66839052af547426518efd970b24.patch
Fix in ffmpeg: https://github.com/FFmpeg/FFmpeg/commit/8d7ce5cdb707d4b22749f72d3f118e62e2b95cd3
https://bugzilla.libav.org/show_bug.cgi?id=1039