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Vulnerability record · public intelligence
CVE-2012-0851
UNKNOWN

CVE-2012-0851

Published Aug 20, 2012 · Updated Oct 23, 2026

Severity · CVSSUNKNOWN · 6.8
Known exploitationNot listed
EPSS / likelihood3.23%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Oct 23, 2026

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.

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDEPSS
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. ffmpeg.org ↗
  2. USN-1479-1 ↗
  3. [oss-security] 20120214 Re: CVE Requests for FFmpeg 0.9.1 ↗
  4. DSA-2494 ↗
  5. libav.org ↗
  6. MDVSA-2013:079 ↗
  7. git.videolan.org ↗
  8. ffmpeg.org ↗
  9. ffmpeg-ffh264decode-code-exec(78933) ↗

Record history

Published Aug 20, 2012 · Last refreshed Oct 23, 2026

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