Medium 6.8Published Dec 20, 2011

CVE-2011-3666Mozilla Firefox before 3.6.25 and Thunderbird before 3.1.17 on Mac OS X do not consider .jar files to be executable files, which allows user-assisted remote attackers to bypass intended access restri…

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

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It affects mozilla firefox and 1 other product. 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 3.6.25 and Thunderbird before 3.1.17 on Mac OS X do not consider .jar files to be executable files, which allows user-assisted remote attackers to bypass intended access restrictions via a crafted file. NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-2372 on Mac OS X.

CVSS: 6.8 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-264
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 3.6.24; 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.6.1; and 122 more ranges	NVD
mozilla thunderbird mozilla:thunderbird	through 3.1.16; 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; and 87 more ranges	NVD

References

References

http://www.mozilla.org/security/announce/2011/mfsa2011-59.html	vendor-advisory
http://www.securitytracker.com/id?1026445
http://www.securitytracker.com/id?1026447
https://bugzilla.mozilla.org/show_bug.cgi?id=704622
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14831

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.