Advisory Published
Updated

CVE-2012-2775

First published: Mon Sep 10 2012(Updated: )

Unspecified vulnerability in the read_var_block_data function in libavcodec/alsdec.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 a large order and an "out of array write in quant_cof."

Credit: cve-coordination@google.com

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

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Frequently Asked Questions

  • What is the severity of CVE-2012-2775?

    The severity of CVE-2012-2775 has not been specified, but it involves an out-of-bounds write potential which could lead to undefined behavior.

  • How do I fix CVE-2012-2775?

    To fix CVE-2012-2775, you should update FFmpeg to version 0.11 or later, or Libav to versions 0.7.7 or 0.8.4 and later.

  • In which software is CVE-2012-2775 found?

    CVE-2012-2775 is found in FFmpeg versions before 0.11 and Libav versions 0.7.x before 0.7.7 and 0.8.x before 0.8.4.

  • What are the potential impacts of CVE-2012-2775?

    The potential impacts of CVE-2012-2775 include crashes, data corruption, and possibly remote code execution due to out-of-bounds writes.

  • Is there a working exploit for CVE-2012-2775?

    As of the last reports, there is no publicly known exploit for CVE-2012-2775, but the vulnerability could be leveraged given its nature.

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