Vulnerability CVE-2015-5479
Published: 2016-04-19

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.

Type:

CWE-189

 (Numeric Errors)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Ubuntu -> Ubuntu 
Opensuse -> LEAP 
Novell -> LEAP 
Libav -> Libav 

 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;a=commitdiff;h=0a49a62f998747cfa564d98d36a459fe70d3299b
https://libav.org/releases/libav-11.5.changelog
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