critical
10
CWE
416
Advisory Published
Updated

CVE-2012-3959: Use After Free

First published: Wed Aug 29 2012(Updated: )

Use-after-free vulnerability in the nsRangeUpdater::SelAdjDeleteNode function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Firefox<15.0
Firefox>=10.0<10.0.7
Mozilla SeaMonkey<2.12
Thunderbird<15.0
Mozilla Thunderbird>=10.0<10.0.7
openSUSE=12.2
SUSE Linux Enterprise Desktop=10-sp4
SUSE Linux Enterprise Desktop=11-sp2
SUSE Linux Enterprise Server=10-sp4
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Server=11-sp2
SUSE Linux Enterprise Software Development Kit=11-sp2
Red Hat Enterprise Linux Desktop=5.0
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Server EUS=6.3
Red Hat Enterprise Linux Server=5.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Server=6.3
Red Hat Enterprise Linux Workstation=5.0
Red Hat Enterprise Linux Workstation=6.0
Ubuntu=10.04
Ubuntu=11.04
Ubuntu=11.10
Ubuntu=12.04
Debian Linux=6.0
Debian Linux=7.0
Firefox ESR>=10.0<10.0.7

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-3959?

    CVE-2012-3959 has a high severity rating as it allows remote attackers to execute arbitrary code.

  • How do I fix CVE-2012-3959?

    To fix CVE-2012-3959, update Mozilla Firefox, Thunderbird, or SeaMonkey to the latest versions since the vulnerabilities have been patched.

  • Which versions are affected by CVE-2012-3959?

    CVE-2012-3959 affects Mozilla Firefox versions prior to 15.0, Thunderbird prior to 15.0, and SeaMonkey prior to 2.12.

  • Can CVE-2012-3959 cause a denial of service?

    Yes, CVE-2012-3959 can lead to a denial of service along with the possibility of arbitrary code execution.

  • Is CVE-2012-3959 related to specific operating systems?

    CVE-2012-3959 is not limited to specific operating systems but affects applications like Firefox and Thunderbird across multiple platforms.

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