CVE-2011-3940

Publication date 13 May 2012

Last updated 24 July 2024

Ubuntu priority

nsvdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (out-of-bounds read and write) via a crafted NSV file that triggers "use of uninitialized streams."

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ffmpeg	12.04 LTS precise	Not in release
	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.04 LTS lucid	Fixed 4:0.5.9-0ubuntu0.10.04.1
	8.04 LTS hardy	Ignored end of life
ffmpeg-extra	12.04 LTS precise	Not in release
	11.10 oneiric	Not in release
	11.04 natty	Not in release
	10.04 LTS lucid	Fixed
	8.04 LTS hardy	Not in release
libav	12.04 LTS precise	Not affected
	11.10 oneiric	Fixed 4:0.7.6-0ubuntu0.11.10.1
	11.04 natty	Fixed 4:0.6.6-0ubuntu0.11.04.1
	10.04 LTS lucid	Not in release
	8.04 LTS hardy	Not in release
libav-extra	12.04 LTS precise	Not affected
	11.10 oneiric	Fixed
	11.04 natty	Fixed
	10.04 LTS lucid	Not in release
	8.04 LTS hardy	Not in release

Notes

mdeslaur

ffmpeg-extra in multiverse needs to have matching version libav-extra is built with tarball produced by libav package

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
ffmpeg	Upstream: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=5c011706bc752d34bc6ada31d7df2ca0c9af7c6b Upstream: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=8fd8a48263ff1437f9d02d7e78dc63efb9b5ed3a Upstream: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=c898431ca5ef2a997fe9388b650f658fb60783e5

References

Related Ubuntu Security Notices (USN)

USN-1478-1
Libav vulnerabilities
18 June 2012

USN-1479-1
FFmpeg vulnerabilities
18 June 2012

Other references

https://www.cve.org/CVERecord?id=CVE-2011-3940