Unspecified vulnerability in the read_var_block_data function in libavcodec/alsdec.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors, related to a large order and an "out of array write in quant_cof."
CVE-2012-2775
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 85.6%
- KEV
- Not listed
Published
September 10, 2012
Last Modified
April 29, 2026
References (20)
- chrome-cve-admin@googlehttp://ffmpeg.org/security.html
- chrome-cve-admin@googlehttp://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=9d3032b960ae03066c008d6e6774f68b17a1d69d
- chrome-cve-admin@googlehttp://libav.org/releases/libav-0.7.7.changelog
- chrome-cve-admin@googlehttp://libav.org/releases/libav-0.8.4.changelog
- chrome-cve-admin@googlehttp://secunia.com/advisories/50468
- chrome-cve-admin@googlehttp://secunia.com/advisories/51257
- chrome-cve-admin@googlehttp://www.mandriva.com/security/advisories?name=MDVSA-2013:079
- chrome-cve-admin@googlehttp://www.openwall.com/lists/oss-security/2012/08/31/3
- chrome-cve-admin@googlehttp://www.openwall.com/lists/oss-security/2012/09/02/4
- chrome-cve-admin@googlehttp://www.securityfocus.com/bid/55355
- af854a3a-2127-422b-91ae-364da2661108http://ffmpeg.org/security.html
- af854a3a-2127-422b-91ae-364da2661108http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=9d3032b960ae03066c008d6e6774f68b17a1d69d
- af854a3a-2127-422b-91ae-364da2661108http://libav.org/releases/libav-0.7.7.changelog
- af854a3a-2127-422b-91ae-364da2661108http://libav.org/releases/libav-0.8.4.changelog
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/50468
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libavcodec53 (4:0.7.6-0ubuntu0.11.10.2) @ oneiric | 2026-05-29 | ubuntu |
| ubuntu | libavcodec53 (6:0.8.4-0ubuntu0.12.10.1) @ quantal | 2026-05-29 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
All Vendor Advisories
(2)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 10× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 12:29 UTCOSV refresh
- 2026-07-05 02:26 UTCEPSS rescore
- 2026-07-04 06:27 UTCEPSS rescore
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- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-06-17 17:49 UTCEPSS rescore
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- 2026-06-16 23:43 UTCOSV refresh
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-06-05 06:08 UTCEPSS rescore
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- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 02:52 UTCEG score recompute
- 2026-05-29 02:52 UTCVendor advisory
- 2026-05-29 02:52 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
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- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:39 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
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- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2012-2775?
When was CVE-2012-2775 disclosed?
Is CVE-2012-2775 actively exploited?
How do I remediate CVE-2012-2775?
Dependency Blast Radius
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