CVE-2016-8676: Null Pointer Dereference
First published: Wed Feb 15 2017(Updated: )
The get_vlc2 function in get_bits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file. NOTE: this issue exists due to an incomplete fix for CVE-2016-8675.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libavutil | <=11.8 |
Remedy
https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/
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Reference Links
- http://www.openwall.com/lists/oss-security/2016/10/16/13
- http://www.openwall.com/lists/oss-security/2016/12/04/3
- http://www.securityfocus.com/bid/93468
- https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/
- https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/
Frequently Asked Questions
What is the severity of CVE-2016-8676?
CVE-2016-8676 is rated as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2016-8676?
To fix CVE-2016-8676, upgrade Libav to version 11.9 or later.
What impact does CVE-2016-8676 have on systems?
CVE-2016-8676 can lead to a denial of service by causing a NULL pointer dereference and crashing the application.
Who is affected by CVE-2016-8676?
CVE-2016-8676 affects users of Libav versions prior to 11.9 that process crafted mp3 files.
Is CVE-2016-8676 related to any other vulnerabilities?
Yes, CVE-2016-8676 is an incomplete fix for CVE-2016-8675 and shares a similar impact.
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