critical
9.3
CWE
416
Advisory Published
Updated

CVE-2012-4213: Use After Free

First published: Wed Nov 21 2012(Updated: )

Use-after-free vulnerability in the nsEditor::FindNextLeafNode function in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 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
Mozilla Firefox<10.0.11
Mozilla Firefox<17.0
Mozilla SeaMonkey<2.14
Mozilla Thunderbird<17.0
Mozilla Thunderbird ESR<10.0.11
openSUSE=11.4
openSUSE=12.1
openSUSE=12.2
SUSE Linux Enterprise Desktop with Beagle=10-sp4
SUSE Linux Enterprise Desktop with Beagle=11-sp2
SUSE Linux Enterprise Server=10-sp4
SUSE Linux Enterprise Server=11-sp2
suse linux enterprise server vmware=11-sp2
SUSE Linux Enterprise Software Development Kit=10-sp4
SUSE Linux Enterprise Software Development Kit=11-sp2
Ubuntu Linux=10.04
Ubuntu Linux=11.10
Ubuntu Linux=12.04
Ubuntu Linux=12.10
Mozilla Firefox ESR<10.0.11

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=795708

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-4213?

    CVE-2012-4213 has a high severity rating due to its potential for remote code execution and denial of service.

  • How do I fix CVE-2012-4213?

    To fix CVE-2012-4213, update your Mozilla Firefox, Thunderbird, or SeaMonkey to the latest versions beyond their vulnerable releases.

  • What software is affected by CVE-2012-4213?

    This vulnerability affects multiple versions of affected software listed in the CVE description.

  • Can CVE-2012-4213 be exploited remotely?

    Yes, CVE-2012-4213 can be exploited remotely by attackers to execute arbitrary code.

  • What is a use-after-free vulnerability like CVE-2012-4213?

    A use-after-free vulnerability like CVE-2012-4213 occurs when a program continues to access memory after it has been freed, leading to potential exploitation.

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