CVE-2006-1726

CVE-2006-1726 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. The underlying weakness is classified as CWE-264.

Key facts

Description

Unspecified vulnerability in Firefox and Thunderbird 1.5 before 1.5.0.2, and SeaMonkey before 1.0.1, allows remote attackers to bypass the js_ValueToFunctionObject check and execute arbitrary code via unknown vectors involving setTimeout and Firefox' ForEach method.

Frequently asked questions

What is CVE-2006-1726?
Unspecified vulnerability in Firefox and Thunderbird 1.5 before 1.5.0.2, and SeaMonkey before 1.0.1, allows remote attackers to bypass the js_ValueToFunctionObject check and execute arbitrary code via unknown vectors involving setTimeout and Firefox' ForEach method.
How severe is CVE-2006-1726?
CVE-2006-1726 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2006-1726 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-1726?
CVE-2006-1726 primarily affects Mozilla Firefox. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-1726?
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-2006-1726 published?
CVE-2006-1726 was published on 2006-04-14 and last updated on 2026-06-16.

References

Affected products (26)

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