CWE
399 416
Advisory Published
Updated

CVE-2012-1962: Use After Free

First published: Wed Jul 18 2012(Updated: )

Use-after-free vulnerability in the JSDependentString::undepend function in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via vectors involving strings with multiple dependencies.

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

Affected SoftwareAffected VersionHow to fix
Firefox=4.0
Firefox=4.0-beta1
Firefox=4.0-beta10
Firefox=4.0-beta11
Firefox=4.0-beta12
Firefox=4.0-beta2
Firefox=4.0-beta3
Firefox=4.0-beta4
Firefox=4.0-beta5
Firefox=4.0-beta6
Firefox=4.0-beta7
Firefox=4.0-beta8
Firefox=4.0-beta9
Firefox=4.0.1
Firefox=5.0
Firefox=5.0.1
Firefox=6.0
Firefox=6.0.1
Firefox=6.0.2
Firefox=7.0
Firefox=7.0.1
Firefox=8.0
Firefox=8.0.1
Firefox=9.0
Firefox=9.0.1
Firefox=11.0
Firefox=12.0
Firefox=12.0-beta6
Firefox=13.0
Firefox=10.0
Firefox=10.0.1
Firefox=10.0.2
Firefox=10.0.3
Firefox=10.0.4
Firefox=10.0.5
Thunderbird=5.0
Thunderbird=6.0
Thunderbird=6.0.1
Thunderbird=6.0.2
Thunderbird=7.0
Thunderbird=7.0.1
Thunderbird=8.0
Thunderbird=9.0
Thunderbird=9.0.1
Thunderbird=10.0
Thunderbird=10.0.1
Thunderbird=10.0.2
Thunderbird=10.0.3
Thunderbird=10.0.4
Thunderbird=11.0
Thunderbird=12.0
Thunderbird=13.0
Mozilla Thunderbird=10.0
Mozilla Thunderbird=10.0.1
Mozilla Thunderbird=10.0.2
Mozilla Thunderbird=10.0.3
Mozilla Thunderbird=10.0.4
Mozilla Thunderbird=10.0.5
Mozilla SeaMonkey<=2.10
Mozilla SeaMonkey=1.0
Mozilla SeaMonkey=1.0-alpha
Mozilla SeaMonkey=1.0-beta
Mozilla SeaMonkey=1.0.1
Mozilla SeaMonkey=1.0.2
Mozilla SeaMonkey=1.0.3
Mozilla SeaMonkey=1.0.4
Mozilla SeaMonkey=1.0.5
Mozilla SeaMonkey=1.0.6
Mozilla SeaMonkey=1.0.7
Mozilla SeaMonkey=1.0.8
Mozilla SeaMonkey=1.0.9
Mozilla SeaMonkey=1.1
Mozilla SeaMonkey=1.1-alpha
Mozilla SeaMonkey=1.1-beta
Mozilla SeaMonkey=1.1.1
Mozilla SeaMonkey=1.1.2
Mozilla SeaMonkey=1.1.3
Mozilla SeaMonkey=1.1.4
Mozilla SeaMonkey=1.1.5
Mozilla SeaMonkey=1.1.6
Mozilla SeaMonkey=1.1.7
Mozilla SeaMonkey=1.1.8
Mozilla SeaMonkey=1.1.9
Mozilla SeaMonkey=1.1.10
Mozilla SeaMonkey=1.1.11
Mozilla SeaMonkey=1.1.12
Mozilla SeaMonkey=1.1.13
Mozilla SeaMonkey=1.1.14
Mozilla SeaMonkey=1.1.15
Mozilla SeaMonkey=1.1.16
Mozilla SeaMonkey=1.1.17
Mozilla SeaMonkey=1.1.18
Mozilla SeaMonkey=1.1.19
Mozilla SeaMonkey=1.5.0.8
Mozilla SeaMonkey=1.5.0.9
Mozilla SeaMonkey=1.5.0.10
Mozilla SeaMonkey=2.0
Mozilla SeaMonkey=2.0-alpha_1
Mozilla SeaMonkey=2.0-alpha_2
Mozilla SeaMonkey=2.0-alpha_3
Mozilla SeaMonkey=2.0-beta_1
Mozilla SeaMonkey=2.0-beta_2
Mozilla SeaMonkey=2.0-rc1
Mozilla SeaMonkey=2.0-rc2
Mozilla SeaMonkey=2.0.1
Mozilla SeaMonkey=2.0.2
Mozilla SeaMonkey=2.0.3
Mozilla SeaMonkey=2.0.4
Mozilla SeaMonkey=2.0.5
Mozilla SeaMonkey=2.0.6
Mozilla SeaMonkey=2.0.7
Mozilla SeaMonkey=2.0.8
Mozilla SeaMonkey=2.0.9
Mozilla SeaMonkey=2.0.10
Mozilla SeaMonkey=2.0.11
Mozilla SeaMonkey=2.0.12
Mozilla SeaMonkey=2.0.13
Mozilla SeaMonkey=2.0.14
Mozilla SeaMonkey=2.1
Mozilla SeaMonkey=2.1-alpha1
Mozilla SeaMonkey=2.1-alpha2
Mozilla SeaMonkey=2.1-alpha3
Mozilla SeaMonkey=2.1-beta1
Mozilla SeaMonkey=2.1-beta2
Mozilla SeaMonkey=2.1-beta3
Mozilla SeaMonkey=2.1-rc1
Mozilla SeaMonkey=2.1-rc2
Firefox ESR=10.0
Firefox ESR=10.0.1
Firefox ESR=10.0.2
Firefox ESR=10.0.3
Firefox ESR=10.0.4
Firefox ESR=10.0.5

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Frequently Asked Questions

  • What is the severity of CVE-2012-1962?

    CVE-2012-1962 has a severity rating of moderate, as it can lead to denial of service due to a use-after-free vulnerability.

  • How do I fix CVE-2012-1962?

    To fix CVE-2012-1962, you should update Mozilla Firefox, Thunderbird, or SeaMonkey to the latest version that is not affected by this vulnerability.

  • Which software versions are affected by CVE-2012-1962?

    CVE-2012-1962 affects Mozilla Firefox versions 4.x through 13.0, Thunderbird versions 5.0 through 13.0, and SeaMonkey versions before 2.11.

  • What types of attacks does CVE-2012-1962 allow?

    CVE-2012-1962 allows remote attackers to exploit the vulnerability to cause a denial of service and potentially crash the application.

  • Is CVE-2012-1962 related to memory corruption?

    Yes, CVE-2012-1962 is a use-after-free vulnerability that leads to memory corruption issues.

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