CVE-2006-6502

CVE-2006-6502 is a high-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Use-after-free vulnerability in the LiveConnect bridge code for Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to cause a denial of service (crash) via unknown vectors.

Frequently asked questions

What is CVE-2006-6502?
Use-after-free vulnerability in the LiveConnect bridge code for Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to cause a denial of service (crash) via unknown vectors.
How severe is CVE-2006-6502?
CVE-2006-6502 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2006-6502 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6502?
CVE-2006-6502 primarily affects Mozilla Firefox. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6502?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-6502 published?
CVE-2006-6502 was published on 2006-12-20 and last updated on 2026-06-16.

References

Affected products (54)

More vulnerabilities in Mozilla Firefox

All CVEs affecting Mozilla Firefox →