CVE-2013-7021

Name	CVE-2013-7021
Description	The filter_frame function in libavfilter/vf_fps.c in FFmpeg before 2.1 does not properly ensure the availability of FIFO content, which allows remote attackers to cause a denial of service (double free) or possibly have unspecified other impact via crafted data.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, 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)	7:4.1.10-0+deb10u1	fixed
	bullseye (security), bullseye	7:4.3.5-0+deb11u1	fixed
	bookworm, sid	7:5.1.2-3	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)	(not affected)
libav	source	(unstable)	(not affected)

Notes

- ffmpeg <not-affected> (Vulnerable code not present)
- libav <not-affected> (Vulnerable code not present)
https://github.com/FFmpeg/FFmpeg/commit/cdd5df8189ff1537f7abe8defe971f80602cc2d2
https://trac.ffmpeg.org/ticket/2905