critical
9.3
CWE
416
Advisory Published
Updated

CVE-2012-4214: Use After Free

First published: Wed Nov 21 2012(Updated: )

Use-after-free vulnerability in the nsTextEditorState::PrepareEditor function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors, a different vulnerability than CVE-2012-5840.

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

Affected SoftwareAffected VersionHow to fix
Firefox<17.0
Firefox>=10.0<10.0.11
Mozilla SeaMonkey<2.14
Thunderbird<17.0
Mozilla Thunderbird>=10.0<10.0.11
openSUSE=11.4
openSUSE=12.1
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=10-sp4
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 Workstation=5.0
Red Hat Enterprise Linux Workstation=6.0
Ubuntu=10.04
Ubuntu=11.10
Ubuntu=12.04
Ubuntu=12.10
Firefox ESR>=10.0<10.0.11

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=795804

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-4214?

    CVE-2012-4214 is considered a high-severity vulnerability that can lead to remote code execution.

  • How do I fix CVE-2012-4214?

    To fix CVE-2012-4214, update Mozilla Firefox, Thunderbird, or SeaMonkey to the latest version available that resolves this issue.

  • Which versions are affected by CVE-2012-4214?

    CVE-2012-4214 affects versions of Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14.

  • Is CVE-2012-4214 exploitable remotely?

    Yes, CVE-2012-4214 can be exploited remotely by attackers through crafted web content.

  • What impact can CVE-2012-4214 have on my system?

    Exploitation of CVE-2012-4214 can lead to arbitrary code execution on the affected system, potentially compromising system integrity.

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