high
7.5
CWE
119
Advisory Published
Updated

CVE-2011-3941: Buffer Overflow

First published: Mon Dec 09 2013(Updated: )

The decode_mb function in libavcodec/error_resilience.c in FFmpeg before 0.10 allows remote attackers to have an unspecified impact via vectors related to an uninitialized block index, which triggers an out-of-bounds write.

Credit: cve-coordination@google.com

Affected SoftwareAffected VersionHow to fix
FFmpeg<=0.9.1
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-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=0.5.5
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

Remedy

http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=c77be3a35a0160d6af88056b0899f120f2eef38e

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-3941?

    CVE-2011-3941 is classified as a vulnerability that may allow remote attackers to impact the application through an out-of-bounds write.

  • How do I fix CVE-2011-3941?

    To fix CVE-2011-3941, update FFmpeg to version 0.10 or later, where the vulnerability is addressed.

  • What versions of FFmpeg are affected by CVE-2011-3941?

    CVE-2011-3941 affects multiple versions of FFmpeg prior to 0.10, including versions 0.3 to 0.9.1.

  • What impact can CVE-2011-3941 have on my system?

    CVE-2011-3941 can lead to undefined behavior, crashes, or potential code execution by an attacker through manipulated video files.

  • Is my system safe if I am using FFmpeg 0.10 or later related to CVE-2011-3941?

    Yes, using FFmpeg 0.10 or later will mitigate the risk associated with CVE-2011-3941 since the vulnerability has been resolved.

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