CVE-2006-20001

7.5 highEPSS 3.6%

A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 3.6% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2023-01-17
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

apache:http_server

References

https://httpd.apache.org/security/vulnerabilities_24.html
https://security.gentoo.org/glsa/202309-01
https://httpd.apache.org/security/vulnerabilities_24.html
https://security.gentoo.org/glsa/202309-01
https://security.netapp.com/advisory/ntap-20230316-0005/

Check your stack JSON