CVE-2012-0856

medium

Description

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/78928

http://www.openwall.com/lists/oss-security/2012/02/14/4

http://www.openwall.com/lists/oss-security/2012/02/01/11

http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=21270cffaeab2f67a613907516b2b0cd6c9eacf4

http://ffmpeg.org/security.html

Details

Source: Mitre, NVD

Published: 2012-08-20

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.01141