CWE
416
Advisory Published
CVE Published
Updated

CVE-2016-5276: Use After Free

First published: Tue Sep 20 2016(Updated: )

A use-after-free vulnerability triggered by setting a aria-owns attribute

Credit: security@mozilla.org security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<45.4
45.4
Mozilla Thunderbird<45.4
45.4
Mozilla Firefox<49
49
Mozilla Firefox<=48.0.2
Mozilla Firefox ESR=45.1.0
Mozilla Firefox ESR=45.1.1
Mozilla Firefox ESR=45.2.0
Mozilla Firefox ESR=45.3.0
Mozilla Firefox=45.1.0
Mozilla Firefox=45.1.1
Mozilla Firefox=45.2.0
Mozilla Firefox=45.3.0
debian/firefox
133.0.3-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.5.0esr-1~deb11u1
128.3.1esr-1~deb12u1
128.5.0esr-1~deb12u1
128.5.0esr-1
128.5.1esr-1

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2016-5276?

    CVE-2016-5276 is a use-after-free vulnerability triggered by setting an aria-owns attribute.

  • How does CVE-2016-5276 affect Mozilla Firefox and Thunderbird?

    CVE-2016-5276 affects Mozilla Firefox before version 49.0, Firefox ESR 45.x before version 45.4, and Thunderbird before version 45.4.

  • What is the severity of CVE-2016-5276?

    CVE-2016-5276 has a severity level of critical with a score of 9.8.

  • How can CVE-2016-5276 be exploited?

    CVE-2016-5276 can be exploited by remote attackers to execute arbitrary code or cause a denial of service through heap memory corruption.

  • Where can I find more information about CVE-2016-5276?

    You can find more information about CVE-2016-5276 on the Mozilla Firefox bugzilla and security advisories pages.

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