CVE-2026-34059
Analyzed Analyzed - Analysis Complete
Buffer Over-read in Apache HTTP Server

Publication date: 2026-05-04

Last updated on: 2026-05-04

Assigner: Apache Software Foundation

Description
Buffer Over-read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: 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
2026-05-04
Last Modified
2026-05-04
Generated
2026-06-16
AI Q&A
2026-05-05
EPSS Evaluated
2026-06-15
NVD
CVE-2026-34059
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apache http_server to 2.4.67 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-126 The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.
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Executive Summary

This vulnerability is a buffer over-read issue in the Apache HTTP Server. It occurs in versions up to 2.4.66 and involves the server reading more data than it should from a buffer, which can lead to exposure of sensitive information or cause unexpected behavior.

Impact Analysis

The impact of this vulnerability can be significant as it allows an attacker to read sensitive data from the server's memory without authorization. According to the CVSS score of 7.5, it is a high-severity issue that can lead to confidentiality breaches, although it does not affect integrity or availability.

Mitigation Strategies

To mitigate this vulnerability, users are recommended to upgrade Apache HTTP Server to version 2.4.67, which contains the fix for the buffer over-read issue.

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