CVE-2009-2464

CVE-2009-2464 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Description

The nsXULTemplateQueryProcessorRDF::CheckIsSeparator function in Mozilla Firefox before 3.0.12, SeaMonkey 2.0a1pre, 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 loading multiple RDF files in a XUL tree element.

Frequently asked questions

What is CVE-2009-2464?
The nsXULTemplateQueryProcessorRDF::CheckIsSeparator function in Mozilla Firefox before 3.0.12, SeaMonkey 2.0a1pre, 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 loading multiple RDF files in a XUL tree element.
How severe is CVE-2009-2464?
CVE-2009-2464 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-2464 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2464?
CVE-2009-2464 primarily affects Mozilla Firefox. In total, 117 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2464?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-2464 published?
CVE-2009-2464 was published on 2009-07-22 and last updated on 2026-06-16.

References

Affected products (117)

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