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CVE-2015-5479

6.5 · MEDIUM

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 cra…

Published Apr 19, 2016CWE-189EPSS 1.98%

Overview

CVE-2015-5479 is a medium-severity vulnerability. It was published on April 19, 2016 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-updates/2016-06/msg00105.htmlRefwww.securityfocus.com/bid/75932Refwww.ubuntu.com/usn/USN-2944-1Refblogs.gentoo.org/ago/2015/07/16/libav-divide-by-zero-in-ff_h263_decode_mba/Refgit.libav.org/?p=libav.git%3Ba=commitdiff%3Bh=0a49a62f998747cfa564d98d36a459fe70d3299bReflibav.org/releases/libav-11.5.changelogReflists.opensuse.org/opensuse-updates/2016-06/msg00105.htmlRefwww.securityfocus.com/bid/75932Refwww.ubuntu.com/usn/USN-2944-1Refblogs.gentoo.org/ago/2015/07/16/libav-divide-by-zero-in-ff_h263_decode_mba/

How CyberStrike helps

Frequently asked questions

What is CVE-2015-5479?

CVE-2015-5479 is a medium-severity vulnerability. It was published on April 19, 2016 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2015-5479?

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-5479?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-5479?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-5479 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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