Is CVE-2006-3811 in the CISA KEV catalog?

No. CVE-2006-3811 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-3811?

CVE-2006-3811 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2006-3811?

CVE-2006-3811 has an EPSS score of 7.47% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2006-3811?

Upgrade firefox on debian unstable to 1.5.dfsg+1.5.0.5-1 or later.

CVE & CISA-KEV Catalog

CVE-2006-3811

HIGHEPSS 94th pctl

7.5

CVSS v2

NVD

Description

Multiple vulnerabilities in Mozilla Firefox before 1.5.0.5, Thunderbird before 1.5.0.5, and SeaMonkey before 1.0.3 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via Javascript that leads to memory corruption, including (1) nsListControlFrame::FireMenuItemActiveEvent, (2) buffer overflows in the string class in out-of-memory conditions, (3) table row and column groups, (4) "anonymous box selectors outside of UA stylesheets," (5) stale references to "removed nodes," and (6) running the crypto.generateCRMFRequest callback on deleted context.

How to fix

Remediation Available

firefoxDebian

Fixed in:1.5.dfsg+1.5.0.5-1CVE-2006-3811

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

7.47%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Embed a live status badge for CVE-2006-3811

Markdown

[![CVE-2006-3811](https://tridentstack.com/cve/badge/CVE-2006-3811.svg)](https://tridentstack.com/cve/CVE-2006-3811)

HTML

<a href="https://tridentstack.com/cve/CVE-2006-3811"><img src="https://tridentstack.com/cve/badge/CVE-2006-3811.svg" alt="CVE-2006-3811"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.