critical
10
CWE
416
Advisory Published
Updated

CVE-2012-4218: Use After Free

First published: Wed Nov 21 2012(Updated: )

Use-after-free vulnerability in the BuildTextRunsScanner::BreakSink::SetBreaks 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

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox<17.0
Mozilla SeaMonkey<2.14
Mozilla Thunderbird<17.0
Ubuntu Linux=10.04
Ubuntu Linux=11.10
Ubuntu Linux=12.04
Ubuntu Linux=12.10
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=11-sp2
SUSE Linux Enterprise Software Development Kit=11-sp3

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-4218?

    CVE-2012-4218 is classified as a critical vulnerability that allows remote attackers to execute arbitrary code.

  • How do I fix CVE-2012-4218?

    To fix CVE-2012-4218, upgrade to Mozilla Firefox version 17.0 or later, Thunderbird version 17.0 or later, or SeaMonkey version 2.14 or later.

  • Which versions are affected by CVE-2012-4218?

    CVE-2012-4218 affects Mozilla Firefox versions before 17.0, Thunderbird versions before 17.0, and SeaMonkey versions before 2.14, along with specific versions of Ubuntu and openSUSE.

  • What types of attacks can CVE-2012-4218 facilitate?

    CVE-2012-4218 can facilitate remote code execution or cause a denial of service through heap memory corruption.

  • Is there a workaround for CVE-2012-4218?

    There are no known workarounds for CVE-2012-4218, and updating the software is the recommended action.

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