CVE-2011-3671

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-06-18 · updated 2026-06-16
Weakness: CWE-399

Description

Use-after-free vulnerability in the nsHTMLSelectElement function in nsHTMLSelectElement.cpp in Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before 2.6 allows remote attackers to execute arbitrary code via vectors involving removal of the parent node of an element.

Affected products

Mozilla Firefox: 4.0, 4.0-beta1, 4.0-beta10, 4.0-beta11, 4.0-beta12, 4.0-beta2 (+16)
Mozilla Seamonkey: through 2.5; 1.0, 1.0-alpha, 1.0-beta, 1.0.1, 1.0.2, 1.0.3 (+61)
Mozilla Thunderbird: 5.0, 6.0, 6.0.1, 6.0.2, 7.0, 7.0.1 (+1)

References

http://www.mozilla.org/security/announce/2012/mfsa2012-41.html
https://bugzilla.mozilla.org/show_bug.cgi?id=739343
http://www.mozilla.org/security/announce/2012/mfsa2012-41.html
https://bugzilla.mozilla.org/show_bug.cgi?id=739343

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