CVE-2017-9051

NameCVE-2017-9051
Descriptionlibav 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.
SourceCVE (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 PackageReleaseVersionStatus
ffmpeg (PTS)stretch (security)7:3.2.18-0+deb9u1fixed
stretch (lts), stretch7:3.2.19-0+deb9u4fixed
buster7:4.1.9-0+deb10u1fixed
buster (security)7:4.1.11-0+deb10u1fixed
bullseye7:4.3.6-0+deb11u1fixed
bullseye (security)7:4.3.7-0+deb11u1fixed
bookworm (security), bookworm7:5.1.5-0+deb12u1fixed
trixie7:6.1.1-4fixed
sid7:6.1.1-5fixed
libav (PTS)jessie, jessie (lts)6:11.12-1~deb8u9fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsource(unstable)7:2.6.1-1low
libavsourcewheezy(not affected)
libavsourcejessie(not affected)
libavsource(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

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