CVE-2017-14169

Name	CVE-2017-14169
Description	In the mxf_read_primer_pack function in libavformat/mxfdec.c in FFmpeg 3.3.3, an integer signedness error might occur when a crafted file, which claims a large "item_num" field such as 0xffffffff, is provided. As a result, the variable "item_num" turns negative, bypassing the check for a large value.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ffmpeg (PTS)	stretch	7:3.2.5-1	vulnerable
	stretch (security)	7:3.2.7-1~deb9u1	vulnerable
	buster, sid	7:3.3.4-1	fixed
libav (PTS)	wheezy	6:0.8.17-2	undetermined
	wheezy (security)	6:0.8.20-0+deb7u1	undetermined
	jessie (security), jessie	6:11.9-1~deb8u1	undetermined

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ffmpeg	source	(unstable)	7:3.3.4-1	low
libav	source	(unstable)	undetermined	medium

Notes

[stretch] - ffmpeg <postponed> (Can be fixed along when more severe issues are being fixed)
https://github.com/FFmpeg/FFmpeg/commit/9d00fb9d70ee8c0cc7002b89318c5be00f1bbdad