CVE-2026-29168
Undergoing Analysis Undergoing Analysis - In Progress

Allocation of Resources Without Limits in Apache HTTP Server mod_md

Publication date: 2026-05-05

Last updated on: 2026-05-06

Assigner: Apache Software Foundation

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.

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Meta Information

Published
2026-05-05
Last Modified
2026-05-06
Generated
2026-07-09
AI Q&A
2026-05-05
EPSS Evaluated
2026-07-08
NVD
CVE-2026-29168
EUVD
EUVD-2026-27321

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
apache http_server From 2.4.30 (inc) to 2.4.67 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-770 The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

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Mitigation Strategies

Users are recommended to upgrade Apache HTTP Server to version 2.4.67, which fixes the Allocation of Resources Without Limits or Throttling vulnerability in mod_md via OCSP response data.

Impact Analysis

The vulnerability involves allocation of resources without limits or throttling, which can potentially lead to resource exhaustion on the server.

This may cause denial of service conditions or degraded performance of the Apache HTTP Server when processing OCSP response data.

Compliance Impact

The provided information does not specify any direct impact of CVE-2026-29168 on compliance with common standards and regulations such as GDPR or HIPAA.

Executive Summary

This vulnerability is an Allocation of Resources Without Limits or Throttling issue in the Apache HTTP Server's mod_md module, specifically related to OCSP response data.

It affects Apache HTTP Server versions from 2.4.30 through 2.4.66 and can be fixed by upgrading to version 2.4.67.

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