high
8.8
CWE
416
Advisory Published
Updated

CVE-2016-1961: Use After Free

First published: Sun Mar 13 2016(Updated: )

Use-after-free vulnerability in the nsHTMLDocument::SetBody function in dom/html/nsHTMLDocument.cpp in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code by leveraging mishandling of a root element, aka ZDI-CAN-3574.

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

Affected SoftwareAffected VersionHow to fix
SUSE Linux=42.1
openSUSE=13.1
openSUSE=13.2
SUSE Linux Enterprise Server=12.0
Firefox<=44.0.2
Firefox=38.0
Firefox=38.0.1
Firefox=38.0.5
Firefox=38.1.0
Firefox=38.1.1
Firefox=38.2.0
Firefox=38.2.1
Firefox=38.3.0
Firefox=38.4.0
Firefox=38.5.0
Firefox=38.5.1
Firefox=38.6.0
Firefox=38.6.1
Thunderbird<=38.6.0
Oracle Linux=5.0
Oracle Linux=6
Oracle Linux=7
Firefox ESR=38.0
Firefox ESR=38.0.1
Firefox ESR=38.0.5
Firefox ESR=38.1.0
Firefox ESR=38.1.1
Firefox ESR=38.2.0
Firefox ESR=38.2.1
Firefox ESR=38.3.0
Firefox ESR=38.4.0
Firefox ESR=38.5.0
Firefox ESR=38.5.1
Firefox ESR=38.6.0
Firefox ESR=38.6.1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-1961?

    CVE-2016-1961 is a critical vulnerability that allows remote attackers to execute arbitrary code in affected versions of Mozilla Firefox and Firefox ESR.

  • How do I fix CVE-2016-1961?

    To fix CVE-2016-1961, update Mozilla Firefox to version 45.0 or later, or Firefox ESR to version 38.7 or later.

  • Which software is affected by CVE-2016-1961?

    CVE-2016-1961 affects Mozilla Firefox versions prior to 45.0 and Firefox ESR versions prior to 38.7, along with several openSUSE and Oracle Linux distributions.

  • What causes CVE-2016-1961?

    CVE-2016-1961 is caused by a use-after-free vulnerability in the nsHTMLDocument::SetBody function due to mishandling of a root element.

  • Can CVE-2016-1961 be exploited remotely?

    Yes, CVE-2016-1961 can be exploited remotely, allowing attackers to potentially execute arbitrary code on vulnerable systems.

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