Medium 6.8Published Dec 20, 2011

CVE-2011-3664Mozilla Firefox before 9.0, Thunderbird before 9.0, and SeaMonkey before 2.6 on Mac OS X do not properly handle certain DOM frame deletions by plugins, which allows remote attackers to cause a denial…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects mozilla firefox and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Mozilla Firefox before 9.0, Thunderbird before 9.0, and SeaMonkey before 2.6 on Mac OS X do not properly handle certain DOM frame deletions by plugins, which allows remote attackers to cause a denial of service (incorrect pointer dereference and application crash) or possibly have unspecified other impact via a crafted web site.

CVSS: 6.8 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

mozilla firefox mozilla:firefox	through 8.0; 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.6.1; and 144 more ranges	NVD
mozilla seamonkey mozilla:seamonkey	through 2.5; 1.0; 1.0; 1.0; 1.0; 1.0; 1.0; 1.0.1; and 63 more ranges	NVD
mozilla thunderbird mozilla:thunderbird	through 8.0; 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; and 94 more ranges	NVD

References

References

http://secunia.com/advisories/47302
http://secunia.com/advisories/47334
http://www.mozilla.org/security/announce/2011/mfsa2011-57.html	vendor-advisory
http://www.securitytracker.com/id?1026445
http://www.securitytracker.com/id?1026446
http://www.securitytracker.com/id?1026447
https://bugzilla.mozilla.org/show_bug.cgi?id=649079
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14574

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.