What’s Vulnerable › Vulnerabilities

CVE-2012-0463

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-03-14 · updated 2026-06-16
• Weakness: CWE-20

Description

The nsWindow implementation in the browser engine in Mozilla Firefox before 3.6.28 and 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird before 3.1.20 and 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 does not check the validity of an instance after event dispatching, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, as demonstrated by Mobile Firefox on Android.

Affected products

• Mozilla Firefox: through 3.6.27; from 4.0 (excl.) through 10.0; 10.0, 10.0.1, 10.0.2
• Mozilla Seamonkey: 1.0, 1.0-alpha, 1.0-beta, 1.0.1, 1.0.2, 1.0.3 (+97)
• Mozilla Thunderbird: from 1.0 through 3.1.19; from 5.0 (excl.) through 10.0
• Mozilla Thunderbird ESR: 10.0, 10.0.1, 10.0.2

References

• http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00014.html
• http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00015.html
• http://lists.opensuse.org/opensuse-updates/2012-03/msg00042.html
• http://secunia.com/advisories/48402
• http://secunia.com/advisories/48553
• http://secunia.com/advisories/48561
• http://secunia.com/advisories/48624
• http://secunia.com/advisories/48629
• http://www.mozilla.org/security/announce/2012/mfsa2012-19.html
• http://www.securityfocus.com/bid/52466
• http://www.securitytracker.com/id?1026801
• http://www.securitytracker.com/id?1026803

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