CVE-2012-3989

CriticalCVSS 9.3/10Last modified Jun 16, 2026

Description

Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object, which allows remote attackers to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site.

Metrics

CVSS 2.0 9.3/10AV:N/AC:M/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-119

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.htmlMailing List, Third Party Advisory
http://osvdb.org/86097Broken Link
http://secunia.com/advisories/50856Broken Link
http://secunia.com/advisories/50892Broken Link
http://secunia.com/advisories/50904Broken Link
http://secunia.com/advisories/50935Broken Link
http://secunia.com/advisories/50984Broken Link
http://www.mozilla.org/security/announce/2012/mfsa2012-80.htmlVendor Advisory
http://www.ubuntu.com/usn/USN-1611-1Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=783867Issue Tracking, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16814Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.htmlMailing List, Third Party Advisory
http://osvdb.org/86097Broken Link
http://secunia.com/advisories/50856Broken Link
http://secunia.com/advisories/50892Broken Link
http://secunia.com/advisories/50904Broken Link
http://secunia.com/advisories/50935Broken Link
http://secunia.com/advisories/50984Broken Link
http://www.mozilla.org/security/announce/2012/mfsa2012-80.htmlVendor Advisory
http://www.ubuntu.com/usn/USN-1611-1Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=783867Issue Tracking, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16814Third Party Advisory

Timeline

Published: Oct 10, 2012
Last modified: Jun 16, 2026
NVD status: Modified

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