CVE-2015-5479

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.33% Top 25%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory libav.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2015-5479?
CVE-2015-5479 has been scored as a medium severity vulnerability.
How to fix CVE-2015-5479?
To fix CVE-2015-5479, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-5479 being actively exploited in the wild?
It is possible that CVE-2015-5479 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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