CVE-2026-29168

Apache HTTP Server: mod_md unrestricted OCSP response

State: Published
Severity: 7.3 High
Published: May 5, 2026
Updated: May 5, 2026
Reserved: Mar 4, 2026

Description

Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data.

This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66.

Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	CISA-ADP

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
Apache HTTP ServerApache Software Foundation	2.4.30 through 2.4.66Affected

References

https://httpd.apache.org/security/vulnerabilities_24.htmlvendor-advisory
http://www.openwall.com/lists/oss-security/2026/05/05/6

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