CVE-2012-4187

Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not properly manage a certain insPos variable, which allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and assertion failure) via unspecified vectors.

• CWE-119

• http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.htmlMailing List, Third Party Advisory
• http://rhn.redhat.com/errata/RHSA-2012-1351.htmlThird Party Advisory
• http://secunia.com/advisories/50856Third Party Advisory
• http://secunia.com/advisories/50892Third Party Advisory
• http://secunia.com/advisories/50904Third Party Advisory
• http://secunia.com/advisories/50935Third Party Advisory
• http://secunia.com/advisories/50936Third Party Advisory
• http://secunia.com/advisories/50984Third Party Advisory
• http://secunia.com/advisories/55318Third Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:163Third Party Advisory
• http://www.mozilla.org/security/announce/2012/mfsa2012-86.htmlVendor Advisory
• http://www.securityfocus.com/bid/56125Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-1611-1Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=787493Issue Tracking
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16425Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.htmlMailing List, Third Party Advisory
• http://rhn.redhat.com/errata/RHSA-2012-1351.htmlThird Party Advisory
• http://secunia.com/advisories/50856Third Party Advisory
• http://secunia.com/advisories/50892Third Party Advisory
• http://secunia.com/advisories/50904Third Party Advisory
• http://secunia.com/advisories/50935Third Party Advisory
• http://secunia.com/advisories/50936Third Party Advisory
• http://secunia.com/advisories/50984Third Party Advisory
• http://secunia.com/advisories/55318Third Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:163Third Party Advisory
• http://www.mozilla.org/security/announce/2012/mfsa2012-86.htmlVendor Advisory
• http://www.securityfocus.com/bid/56125Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-1611-1Third Party Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=787493Issue Tracking
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16425Third 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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