Vulnerability Description
Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalidationList function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via an aria-owns attribute.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | <= 48.0.2 |
Related Weaknesses (CWE)
References
- http://rhn.redhat.com/errata/RHSA-2016-1912.html
- http://www.debian.org/security/2016/dsa-3674
- http://www.mozilla.org/security/announce/2016/mfsa2016-85.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.h
- http://www.securityfocus.com/bid/93049
- http://www.securitytracker.com/id/1036852
- https://bugzilla.mozilla.org/show_bug.cgi?id=1287721Issue Tracking
- https://security.gentoo.org/glsa/201701-15
- https://www.mozilla.org/security/advisories/mfsa2016-86/
- https://www.mozilla.org/security/advisories/mfsa2016-88/
- http://rhn.redhat.com/errata/RHSA-2016-1912.html
- http://www.debian.org/security/2016/dsa-3674
- http://www.mozilla.org/security/announce/2016/mfsa2016-85.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.h
- http://www.securityfocus.com/bid/93049
FAQ
What is CVE-2016-5276?
CVE-2016-5276 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalidationList function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote at...
How severe is CVE-2016-5276?
CVE-2016-5276 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-5276?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.