CVE-2012-2793: Critical severity Libav Libav vulnerability

Published Sep 10, 2012
·
Updated

Unspecified vulnerability in the lagdecodezerorunline function in libavcodec/lagarith.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors related to "too many zeros."

Affected Software

68 affected components
Libav Libav=0.7
Libav Libav=0.7-beta1
Libav Libav=0.7-beta2
Libav Libav=0.7.1
Libav Libav=0.7.2
Libav Libav=0.7.3
Libav Libav=0.7.4
Libav Libav=0.7.5
Libav Libav=0.7.6
FFmpeg FFmpeg<=0.10.4
FFmpeg FFmpeg=0.3
FFmpeg FFmpeg=0.3.1
FFmpeg FFmpeg=0.3.2
FFmpeg FFmpeg=0.3.3
FFmpeg FFmpeg=0.3.4
FFmpeg FFmpeg=0.4.0
FFmpeg FFmpeg=0.4.2
FFmpeg FFmpeg=0.4.3
FFmpeg FFmpeg=0.4.4
FFmpeg FFmpeg=0.4.5
FFmpeg FFmpeg=0.4.6
FFmpeg FFmpeg=0.4.7
FFmpeg FFmpeg=0.4.8
FFmpeg FFmpeg=0.4.9
FFmpeg FFmpeg=0.4.9-pre1
FFmpeg FFmpeg=0.5
FFmpeg FFmpeg=0.5.1
FFmpeg FFmpeg=0.5.2
FFmpeg FFmpeg=0.5.3
FFmpeg FFmpeg=0.5.4
FFmpeg FFmpeg=0.5.4.5
FFmpeg FFmpeg=0.5.4.6
FFmpeg FFmpeg=0.6
FFmpeg FFmpeg=0.6.1
FFmpeg FFmpeg=0.6.2
FFmpeg FFmpeg=0.6.3
FFmpeg FFmpeg=0.7
FFmpeg FFmpeg=0.7.1
FFmpeg FFmpeg=0.7.2
FFmpeg FFmpeg=0.7.3
FFmpeg FFmpeg=0.7.4
FFmpeg FFmpeg=0.7.5
FFmpeg FFmpeg=0.7.6
FFmpeg FFmpeg=0.7.7
FFmpeg FFmpeg=0.7.8
FFmpeg FFmpeg=0.7.9
FFmpeg FFmpeg=0.7.11
FFmpeg FFmpeg=0.7.12
FFmpeg FFmpeg=0.8.0
FFmpeg FFmpeg=0.8.1
FFmpeg FFmpeg=0.8.2
FFmpeg FFmpeg=0.8.5
FFmpeg FFmpeg=0.8.5.3
FFmpeg FFmpeg=0.8.5.4
FFmpeg FFmpeg=0.8.6
FFmpeg FFmpeg=0.8.7
FFmpeg FFmpeg=0.8.8
FFmpeg FFmpeg=0.8.10
FFmpeg FFmpeg=0.8.11
FFmpeg FFmpeg=0.9
FFmpeg FFmpeg=0.9.1
FFmpeg FFmpeg=0.10
FFmpeg FFmpeg=0.10.3
Libav Libav=0.8
Libav Libav=0.8-beta2
Libav Libav=0.8.1
Libav Libav=0.8.2
Libav Libav=0.8.3

Event History

Sep 10, 2012
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2012-2793?

The severity of CVE-2012-2793 has not been explicitly defined, but it is an unspecified vulnerability that could have unknown impacts.

2

How do I fix CVE-2012-2793?

To fix CVE-2012-2793, you should update to FFmpeg version 0.11 or later, or Libav version 0.7.7 or later.

3

What versions are affected by CVE-2012-2793?

CVE-2012-2793 affects FFmpeg versions before 0.11 and Libav versions before 0.7.7 for the 0.7.x branch and before 0.8.4 for the 0.8.x branch.

4

What is the impact of CVE-2012-2793?

The impact of CVE-2012-2793 remains unknown as it is described as an unspecified vulnerability related to 'too many zeros' in the lag_decode_zero_run_line function.

5

Is there a workaround for CVE-2012-2793?

No specific workaround has been documented for CVE-2012-2793 aside from the recommended software updates.

Contact

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