CVE-2012-0856
Heap-based buffer overflow in the MPV_frame_start function in libavcodec/mpegvideo.c in FFmpeg...
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 likelihood
What each source reports
NVD Score used
2.6
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.
- Record
CVE-2012-0856- CVSS 2.0
- 2.6 Low
AV:N/AC:H/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-0856- Updated
- 2026-11-02
EUVDEUVD-2012-0881 No score
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.
- Record
EUVD-2012-0881- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h5ff-8r22-qwvc No score
Heap-based buffer overflow in the MPV_frame_start function in libavcodec/mpegvideo.c in FFmpeg...
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.
- Record
GHSA-h5ff-8r22-qwvc- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-0856 is a low vulnerability (CVSS 2.6) in Ffmpeg, published August 20, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.71%, the 77th percentile. No source names a fixed version.
References
ffmpeg.org/trac/ffmpeg/ticket/757
git.videolan.org?p=ffmpeg.git%3Ba=commit%3Bh=21270cffaeab2f67a613907516b2b0cd6c9eacf4
openwall.com/lists/oss-security/2012/02/14/4
exchange.xforce.ibmcloud.com/vulnerabilities/78928
ffmpeg.org/security.html
openwall.com/lists/oss-security/2012/02/01/11
nvd.nist.gov/vuln/detail/CVE-2012-0856
git.videolan.org?p=ffmpeg.git;a=commit;h=21270cffaeab2f67a613907516b2b0cd6c9eacf4
github.com/advisories/GHSA-h5ff-8r22-qwvc