CVE-2006-4571

CVE-2006-4571 is a critical-severity vulnerability in Mozilla Seamonkey with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple unspecified vulnerabilities in Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allow remote attackers to cause a denial of service (crash), corrupt memory, and possibly execute arbitrary code via unspecified vectors, some of which involve JavaScript, and possibly large images or plugin data.

Frequently asked questions

What is CVE-2006-4571?
Multiple unspecified vulnerabilities in Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allow remote attackers to cause a denial of service (crash), corrupt memory, and possibly execute arbitrary code via unspecified vectors, some of which involve JavaScript, and possibly large images or plugin data.
How severe is CVE-2006-4571?
CVE-2006-4571 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2006-4571 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-2006-4571?
CVE-2006-4571 primarily affects Mozilla Seamonkey. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4571?
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-2006-4571 published?
CVE-2006-4571 was published on 2006-09-15 and last updated on 2026-06-16.

References

Affected products (2)

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