CVE-2006-3807

CVE-2006-3807 is a high-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Mozilla Firefox before 1.5.0.5, Thunderbird before 1.5.0.5, and SeaMonkey before 1.0.3 allows remote attackers to execute arbitrary code via script that changes the standard Object() constructor to return a reference to a privileged object and calling "named JavaScript functions" that use the constructor.

Frequently asked questions

What is CVE-2006-3807?
Mozilla Firefox before 1.5.0.5, Thunderbird before 1.5.0.5, and SeaMonkey before 1.0.3 allows remote attackers to execute arbitrary code via script that changes the standard Object() constructor to return a reference to a privileged object and calling "named JavaScript functions" that use the constructor.
How severe is CVE-2006-3807?
CVE-2006-3807 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-3807 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3807?
CVE-2006-3807 primarily affects Mozilla Firefox. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3807?
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-2006-3807 published?
CVE-2006-3807 was published on 2006-07-27 and last updated on 2026-06-16.

References

Affected products (12)

More vulnerabilities in Mozilla Firefox

All CVEs affecting Mozilla Firefox →