critical
9.3
CWE
416
Advisory Published
Updated

CVE-2012-4216: Use After Free

First published: Wed Nov 21 2012(Updated: )

Use-after-free vulnerability in the gfxFont::GetFontEntry 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.

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

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox<17.0
Mozilla Firefox>=10.0<10.0.11
Mozilla SeaMonkey<2.14
Mozilla Thunderbird<17.0
Mozilla Thunderbird ESR>=10.0<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
redhat enterprise Linux desktop=5.0
redhat enterprise Linux desktop=6.0
redhat enterprise Linux eus=6.3
redhat enterprise Linux server=5.0
redhat enterprise Linux server=6.0
redhat enterprise Linux workstation=5.0
redhat enterprise Linux workstation=6.0
Debian=6.0
Debian=7.0
Ubuntu=10.04
Ubuntu=11.10
Ubuntu=12.04
Ubuntu=12.10
Mozilla Firefox ESR>=10.0<10.0.11

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=798853

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-4216?

    CVE-2012-4216 is considered a critical vulnerability that can lead to remote code execution or denial of service.

  • How do I fix CVE-2012-4216?

    To fix CVE-2012-4216, update to the latest version of Mozilla Firefox, Thunderbird, SeaMonkey, or the relevant software specified in the vulnerability details.

  • Which versions are affected by CVE-2012-4216?

    CVE-2012-4216 affects Mozilla Firefox versions prior to 17.0, Thunderbird prior to 17.0, and SeaMonkey versions prior to 2.14, among others.

  • Who is impacted by CVE-2012-4216?

    Users on older versions of Mozilla Firefox, Thunderbird, and SeaMonkey, as well as several Linux distributions, are impacted by CVE-2012-4216.

  • What type of vulnerability is CVE-2012-4216?

    CVE-2012-4216 is a use-after-free vulnerability found in the gfxFont::GetFontEntry function.

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