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Posted to dev@httpd.apache.org by Eric Covener <co...@apache.org> on 2026/06/08 12:51:02 UTC

CVE-2026-44185: Apache HTTP Server: Stack Buffer Over-Read in mod_ssl OCSP `send_request`

Severity: low 

Affected versions:

- Apache HTTP Server 2.4.0 through 2.4.67

Description:

Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Credit:

Zhenpeng (Leo) Lin at depthfirst (finder)

References:

https://httpd.apache.org/security/vulnerabilities_24.html
https://httpd.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-44185

Timeline:

2026-04-27: reported
2026-06-03: fixed in 2.4.x by r1934919
2026-06-08: 2.4.68 released