What’s Vulnerable › Vulnerabilities

CVE-2012-3993

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 42.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2012-10-10 · updated 2026-06-16
• Weakness: CWE-269

Description

The Chrome Object Wrapper (COW) implementation in 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 does not properly interact with failures of InstallTrigger methods, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site, related to an "XrayWrapper pollution" issue.

Affected products

• Mozilla Firefox: through 15.0.1; 10.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5 (+149)
• Mozilla Seamonkey: through 2.13; 2.0, 2.0-alpha_1, 2.0-alpha_2, 2.0-alpha_3, 2.0-beta_1, 2.0-beta_2 (+98)
• Mozilla Thunderbird: through 15.0.1; 1.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+100)
• Mozilla Thunderbird ESR: 10.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5 (+2)

References

• http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
• http://osvdb.org/86111
• http://rhn.redhat.com/errata/RHSA-2012-1351.html
• http://secunia.com/advisories/50856
• http://secunia.com/advisories/50892
• http://secunia.com/advisories/50904
• http://secunia.com/advisories/50935
• http://secunia.com/advisories/50936
• http://secunia.com/advisories/50984
• http://secunia.com/advisories/55318
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:163
• http://www.mozilla.org/security/announce/2012/mfsa2012-83.html

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