medium
4.3
CWE
119
Advisory Published
Updated

CVE-2011-4579: Buffer Overflow

First published: Mon Aug 20 2012(Updated: )

The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
FFmpeg=0.7.7
FFmpeg=0.7.1
FFmpeg=0.7.6
FFmpeg=0.8.6
FFmpeg=0.6.1
FFmpeg=0.5
FFmpeg=0.5.4
FFmpeg=0.5.1
FFmpeg=0.8.5
FFmpeg=0.7.3
FFmpeg=0.8.0
FFmpeg=0.5.5
FFmpeg=0.6
FFmpeg=0.5.3
FFmpeg=0.5.2
FFmpeg=0.7.8
FFmpeg=0.6.2
FFmpeg=0.8.7
FFmpeg=0.7
FFmpeg=0.8.1
FFmpeg=0.8.2
FFmpeg=0.7.2
Libav=0.6.5
Libav=0.7
Libav=0.5.3
Libav=0.6.2
Libav=0.5
Libav=0.7.1
Libav=0.5.2
Libav=0.5.5
Libav=0.6.4
Libav=0.6.3
Libav=0.7.2
Libav=0.5.4
Libav=0.6.1
Libav=0.6
Libav=0.5.1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-4579?

    CVE-2011-4579 is classified as a denial of service vulnerability that can affect certain versions of FFmpeg and Libav.

  • How do I fix CVE-2011-4579?

    To fix CVE-2011-4579, you should upgrade to the latest versions of FFmpeg or Libav that have patched this vulnerability.

  • Which software versions are affected by CVE-2011-4579?

    CVE-2011-4579 affects FFmpeg versions 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8, as well as certain versions of Libav.

  • Can CVE-2011-4579 be exploited remotely?

    Yes, CVE-2011-4579 allows remote attackers to exploit the vulnerability and cause a denial of service.

  • What specific function in FFmpeg is vulnerable in CVE-2011-4579?

    The vulnerability in CVE-2011-4579 is found in the svq1_decode_frame function within the SVQ1 decoder in FFmpeg.

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