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CVE-2012-2796

Publication date 10 September 2012

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Unspecified vulnerability in the vc1_decode_frame function in libavcodec/vc1dec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.4 has unknown impact and attack vectors, related to inconsistencies in "coded slice positions and interlacing" that trigger "out of array writes."

Read the notes from the security team

Status

Package Ubuntu Release Status
ffmpeg 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.04 LTS lucid
Not affected
8.04 LTS hardy Ignored end of life
ffmpeg-extra 12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.04 LTS lucid
Not affected
8.04 LTS hardy Not in release
libav 12.10 quantal
Fixed 6:0.8.4-0ubuntu0.12.10.1
12.04 LTS precise
Fixed 4:0.8.4-0ubuntu0.12.04.1
11.10 oneiric
Not affected
11.04 natty Ignored end of life
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
libav-extra 12.10 quantal
Fixed 6:0.8.4ubuntu0.12.10.1
12.04 LTS precise
Fixed 4:0.8.4ubuntu0.12.04.1
11.10 oneiric
Not affected
11.04 natty Ignored end of life
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 code is different in 0.7.x and earlier, probably not affected

Patch details

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

Package Patch details
ffmpeg
libav