CVE-2006-2787

CVE-2006-2787 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

EvalInSandbox in Mozilla Firefox and Thunderbird before 1.5.0.4 allows remote attackers to gain privileges via javascript that calls the valueOf method on objects that were created outside of the sandbox.

Frequently asked questions

What is CVE-2006-2787?
EvalInSandbox in Mozilla Firefox and Thunderbird before 1.5.0.4 allows remote attackers to gain privileges via javascript that calls the valueOf method on objects that were created outside of the sandbox.
How severe is CVE-2006-2787?
CVE-2006-2787 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2006-2787 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-2787?
CVE-2006-2787 primarily affects Mozilla Firefox. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-2787?
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-2006-2787 published?
CVE-2006-2787 was published on 2006-06-02 and last updated on 2026-06-16.

References

Affected products (24)

More vulnerabilities in Mozilla Firefox

All CVEs affecting Mozilla Firefox →