CVE-2012-2796

CVE-2012-2796 is a critical-severity vulnerability in Ffmpeg with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Critical (CVSS 2.0 base score 10.0)
• EPSS exploit prediction: 3% (85th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Ffmpeg
• Published: 2012-09-10
• Last modified: 2026-06-16

Description

Unspecified vulnerability in the vc1_decode_frame function in libavcodec/vc1dec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.4 has unknown impact and attack vectors, related to inconsistencies in "coded slice positions and interlacing" that trigger "out of array writes."

Frequently asked questions

What is CVE-2012-2796?

Unspecified vulnerability in the vc1_decode_frame function in libavcodec/vc1dec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.4 has unknown impact and attack vectors, related to inconsistencies in "coded slice positions and interlacing" that trigger "out of array writes."

How severe is CVE-2012-2796?

CVE-2012-2796 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-2796 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2796?

CVE-2012-2796 primarily affects Ffmpeg. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2796?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2012-2796 published?

CVE-2012-2796 was published on 2012-09-10 and last updated on 2026-06-16.

References

• http://ffmpeg.org/security.html
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=5e59a77cec804a9b44c60ea22c17beba6453ef23
• http://libav.org/releases/libav-0.8.4.changelog
• http://secunia.com/advisories/50468
• http://secunia.com/advisories/51257
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:079
• http://www.openwall.com/lists/oss-security/2012/08/31/3
• http://www.openwall.com/lists/oss-security/2012/09/02/4
• http://www.securityfocus.com/bid/55355

Affected products (59)

• cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.3:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.9:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.4.9:pre1:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.5:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.5.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.5.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.6:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.6.3:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.3:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.4:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.5:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.6:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.7:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.8:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.9:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.11:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.7.12:*:*:*:*:*:*:*
• cpe:2.3:a:ffmpeg:ffmpeg:0.8.0:*:*:*:*:*:*:*

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• CVE-2011-3937 — Critical (CVSS 10.0): The H.263 codec (libavcodec/h263dec.c) in FFmpeg 0.7.x before 0.7.12, 0.8.x before 0.8.11, and unspecified versions…
• CVE-2012-2804 — Critical (CVSS 10.0): Unspecified vulnerability in libavcodec/indeo3.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.5 has unknown impact…

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