What’s Vulnerable › Vulnerabilities

CVE-2009-2462

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-07-22 · updated 2026-06-16
• Weakness: CWE-399

Description

The browser engine in Mozilla Firefox before 3.0.12 and Thunderbird allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) the frame chain and synchronous events, (2) a SetMayHaveFrame assertion and nsCSSFrameConstructor::CreateFloatingLetterFrame, (3) nsCSSFrameConstructor::ConstructFrame, (4) the child list and initial reflow, (5) GetLastSpecialSibling, (6) nsFrameManager::GetPrimaryFrameFor and MathML, (7) nsFrame::GetBoxAscent, (8) nsCSSFrameConstructor::AdjustParentFrame, (9) nsDOMOfflineResourceList, and (10) nsContentUtils::ComparePosition.

Affected products

• Mozilla Firefox: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+95)
• Mozilla Thunderbird: 2.0.0.0, 2.0.0.1, 2.0.0.2, 2.0.0.3, 2.0.0.4, 2.0.0.5 (+15)

References

• http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00002.html
• http://rhn.redhat.com/errata/RHSA-2009-1162.html
• http://rhn.redhat.com/errata/RHSA-2009-1163.html
• http://secunia.com/advisories/35914
• http://secunia.com/advisories/35943
• http://secunia.com/advisories/35944
• http://secunia.com/advisories/35947
• http://secunia.com/advisories/36005
• http://secunia.com/advisories/36145
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-265068-1
• http://sunsolve.sun.com/search/document.do?assetkey=1-77-1020800.1-1

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