CVE-2012-3989

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.

• CWE-119

• 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

Published

Oct 10, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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