Is CVE-2007-6423 being actively exploited?

CVE-2007-6423 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-6423?

CVE-2007-6423 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2007-6423

HIGH · CVSS 7.8EPSS 3.9%EU EUVD

Unspecified vulnerability in mod_proxy_balancer for Apache HTTP Server 2.2.x before 2.2.7-dev, when running on Windows, allows remote attackers to trigger memory corruption via a long URL. NOTE: the vendor could not reproduce this issue

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-399
EPSS score: 3.9% (90th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-6389)
Published: January 12, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-6389 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

apache / http server
apache / http server
apache / http server
apache / http server
apache / http server
microsoft / windows nt

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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