Is CVE-2007-3946 in the CISA KEV catalog?

No. CVE-2007-3946 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-3946?

CVE-2007-3946 has a CVSS v2 base score of 6.4 (MEDIUM).

What is the EPSS score for CVE-2007-3946?

CVE-2007-3946 has an EPSS score of 3.42% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-3946?

Upgrade lighttpd on debian 11 to 1.4.16-1 or later.

CVE & CISA-KEV Catalog

CVE-2007-3946

MEDIUMEPSS 87th pctl

6.4

CVSS v2

NVD

Description

mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header.

How to fix

Remediation Available

lighttpdDebian

Fixed in:1.4.16-1CVE-2007-3946

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

3.42%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch1

secunia.com

Vendor Advisory1

secunia.com

Other references16

Embed a live status badge for CVE-2007-3946

Markdown

[![CVE-2007-3946](https://tridentstack.com/cve/badge/CVE-2007-3946.svg)](https://tridentstack.com/cve/CVE-2007-3946)

HTML

<a href="https://tridentstack.com/cve/CVE-2007-3946"><img src="https://tridentstack.com/cve/badge/CVE-2007-3946.svg" alt="CVE-2007-3946"></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 2026-04-23.