CVE-2019-17539

NameCVE-2019-17539
DescriptionIn FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)stretch (security), stretch7:3.2.14-1~deb9u1vulnerable
buster, buster (security)7:4.1.4-1~deb10u1vulnerable
bullseye, sid7:4.2.1-2fixed
libav (PTS)jessie6:11.12-1~deb8u1fixed
jessie (security)6:11.12-1~deb8u9fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsource(unstable)7:4.2.1-1low
libavsource(unstable)(unfixed)low
libavsourcejessie(not affected)

Notes

[buster] - ffmpeg <postponed> (Minor issue, wait until fixed in 4.1.x branch)
[stretch] - ffmpeg <postponed> (Minor issue, wait until fixed in 3.2.x branch)
[jessie] - libav <not-affected> (Vulnerable code introduced in v12.x)
https://github.com/FFmpeg/FFmpeg/commit/8df6884832ec413cf032dfaa45c23b1c7876670c

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