medium
6.8
CWE
119
Advisory Published
Updated

CVE-2012-0851: Buffer Overflow

First published: Mon Aug 20 2012(Updated: )

The ff_h264_decode_seq_parameter_set function in h264_ps.c in libavcodec in FFmpeg before 0.9.1 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted H.264 file, related to the chroma_format_idc value.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
FFmpeg<=0.9
FFmpeg=0.7.1
FFmpeg=0.7.2
FFmpeg=0.7.7
FFmpeg=0.7.8
FFmpeg=0.7.9
FFmpeg=0.7.11
FFmpeg=0.7.12
FFmpeg=0.8.5
FFmpeg=0.8.6
FFmpeg=0.8.7
FFmpeg=0.8.8
FFmpeg=0.8.10
FFmpeg=0.8.11
Libav=0.5
Libav=0.5.1
Libav=0.5.2
Libav=0.5.3
Libav=0.5.4
Libav=0.5.5
Libav=0.5.6
Libav=0.5.7
Libav=0.6
Libav=0.6.1
Libav=0.6.2
Libav=0.6.3
Libav=0.6.4
Libav=0.6.5
Libav=0.7
Libav=0.7.1
Libav=0.7.2
Libav=0.7.3
Libav=0.7.4
Libav=0.7.5
Libav=0.8
Libav=0.8-beta2
Libav=0.8.1
Libav=0.8.2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-0851?

    CVE-2012-0851 has a severity rating that allows for remote attackers to potentially cause a denial of service and execute arbitrary code.

  • How do I fix CVE-2012-0851?

    To fix CVE-2012-0851, upgrade to FFmpeg version 0.9.1 or higher, or Libav version 0.5.9, 0.6.6, 0.7.6, 0.8.3, or higher.

  • Which versions of FFmpeg are affected by CVE-2012-0851?

    Affected versions of FFmpeg include all versions prior to 0.9.1, as well as specific older versions including 0.7.1, 0.7.2, 0.7.7, 0.7.8, etc.

  • Which versions of Libav are affected by CVE-2012-0851?

    CVE-2012-0851 affects Libav versions prior to 0.5.9, as well as specific versions such as 0.5, 0.5.1, 0.5.2, up to 0.8.2.

  • What types of attacks can CVE-2012-0851 facilitate?

    CVE-2012-0851 can facilitate remote denial of service attacks and may allow for arbitrary code execution.

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