CVE-2015-5479

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-19 · updated 2026-06-17
Weakness: CWE-189

Description

The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a file with crafted dimensions.

Affected products

libav: through 11.4
openSUSE Leap: 42.1
Ubuntu: 12.04

References

http://lists.opensuse.org/opensuse-updates/2016-06/msg00105.html
http://www.securityfocus.com/bid/75932
http://www.ubuntu.com/usn/USN-2944-1
https://blogs.gentoo.org/ago/2015/07/16/libav-divide-by-zero-in-ff_h263_decode_mba/
https://git.libav.org/?p=libav.git%3Ba=commitdiff%3Bh=0a49a62f998747cfa564d98d36a459fe70d3299b
https://libav.org/releases/libav-11.5.changelog
http://lists.opensuse.org/opensuse-updates/2016-06/msg00105.html
http://www.securityfocus.com/bid/75932
http://www.ubuntu.com/usn/USN-2944-1
https://blogs.gentoo.org/ago/2015/07/16/libav-divide-by-zero-in-ff_h263_decode_mba/
https://git.libav.org/?p=libav.git%3Ba=commitdiff%3Bh=0a49a62f998747cfa564d98d36a459fe70d3299b
https://libav.org/releases/libav-11.5.changelog

Get alerted when CVE-2015-5479 or the next vulnerability affects your stack