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CVE-2013-2277

Publication date 27 February 2013

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The ff_h264_decode_seq_parameter_set function in h264_ps.c in libavcodec in FFmpeg before 1.1.3 does not validate the relationship between luma depth and chroma depth, which allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via crafted H.264 data.

Read the notes from the security team

Status

Package Ubuntu Release Status
ffmpeg 13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
10.04 LTS lucid Ignored
8.04 LTS hardy Ignored end of life
ffmpeg-extra 13.04 raring Not in release
12.10 quantal Not in release
12.04 LTS precise Not in release
11.10 oneiric Not in release
10.04 LTS lucid Ignored
8.04 LTS hardy Not in release
libav 13.04 raring
Not affected
12.10 quantal
Fixed 6:0.8.6-0ubuntu0.12.10.1
12.04 LTS precise
Fixed 4:0.8.6-0ubuntu0.12.04.1
11.10 oneiric Ignored
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
libav-extra 13.04 raring
Not affected
12.10 quantal
Fixed 6:0.8.6ubuntu0.12.10.1
12.04 LTS precise
Fixed 4:0.8.6ubuntu0.12.04.1
11.10 oneiric Ignored
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

jdstrand

ffmpeg on 10.04 LTS has no error checking of sps->bit_depth_luma or sps->bit_depth_chroma (see libavcodec/h264.c line 7140 (after applying quilt patches)) libav has no error checking of sps->bit_depth_luma os

sps-

bit_depth_chroma (see libavcodec/h264_ps.c, line 338 on 11.10, line 348 on 12.04 LTS and higher)

mdeslaur

ignoring releases near EoL. New version not available from upstream.

Patch details

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

Package Patch details
ffmpeg
libav

References

Related Ubuntu Security Notices (USN)

Other references