CVE-2012-0856 json
Heap-based buffer overflow in the MPV_frame_start function in libavcodec/mpegvideo.c in FFmpeg before 0.9.1, when the lowres option is enab…
published 2012-08-20 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-0881
- cvss
- 2.6
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
Heap-based buffer overflow in the MPV_frame_start function in libavcodec/mpegvideo.c in FFmpeg before 0.9.1, when the lowres option is enabled, allows remote attackers to cause a denial of service (application crash) via a crafted H263 media file. NOTE: this vulnerability exists because of a regression error.
Exploit prediction
1.71% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- ffmpeg.org http://ffmpeg.org/trac/ffmpeg/ticket/757 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.6 | AV:N/AC:H/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
ffmpeg.org
/trac/ffmpeg/ticket/757
exploit
- git.videolan.org /?p=ffmpeg.git%3Ba=commit%3Bh=21270cffaeab2f67a613907516b2b0cd6c9eacf4
-
openwall.com
/lists/oss-security/2012/02/14/4
mailing-list
-
exchange.xforce.ibmcloud.com
/vulnerabilities/78928
vdb-entry
- ffmpeg.org /security.html
-
openwall.com
/lists/oss-security/2012/02/01/11
mailing-list
Sources
- CVE List CVE-2012-0856
- NVD CVE-2012-0856
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.