What’s Vulnerable › Vulnerabilities

CVE-2008-4062

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2008-09-24 · updated 2026-06-16
• Weakness: CWE-399

Description

Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to the JavaScript engine and (1) misinterpretation of the characteristics of Namespace and QName in jsxml.c, (2) misuse of signed integers in the nsEscapeCount function in nsEscape.cpp, and (3) interaction of JavaScript garbage collection with certain use of an NPObject in the nsNPObjWrapper::GetNewOrUsed function in nsJSNPRuntime.cpp.

Affected products

• Canonical Ubuntu Linux: 6.06, 7.04, 7.10, 8.04
• Debian Linux: 4.0
• Mozilla Firefox: before 2.0.0.17; from 3.0 before 3.0.2 — fixed in 2.0.0.17, 3.0.2
• Mozilla Seamonkey: before 1.1.12 — fixed in 1.1.12
• Mozilla Thunderbird: before 2.0.0.17 — fixed in 2.0.0.17

How to fix

Upgrade to a fixed version: Mozilla Firefox 2.0.0.17, 3.0.2; Mozilla Seamonkey 1.1.12; Mozilla Thunderbird 2.0.0.17. Check the vendor advisory for mitigations.

References

• http://download.novell.com/Download?buildid=WZXONb-tqBw~
• http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00005.html
• http://secunia.com/advisories/31984
• http://secunia.com/advisories/31985
• http://secunia.com/advisories/31987
• http://secunia.com/advisories/32007
• http://secunia.com/advisories/32010
• http://secunia.com/advisories/32011
• http://secunia.com/advisories/32012
• http://secunia.com/advisories/32025
• http://secunia.com/advisories/32042
• http://secunia.com/advisories/32044

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