CVE-2026-43951
Received Received - Intake
Out-of-Bounds Read in Apache HTTP Server

Publication date: 2026-06-08

Last updated on: 2026-06-08

Assigner: Apache Software Foundation

Description
Out-of-bounds Read vulnerability in Apache HTTP Server with mod_headers and mod_mime and multiple response languages. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.
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Meta Information
Published
2026-06-08
Last Modified
2026-06-08
Generated
2026-06-09
AI Q&A
2026-06-08
EPSS Evaluated
N/A
NVD
CVE-2026-43951
EUVD
EUVD-2026-35093
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apache http_server From 2.4.0 (inc) to 2.4.67 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability is an Out-of-bounds Read issue in the Apache HTTP Server. It occurs specifically when using the mod_headers and mod_mime modules along with multiple response languages.

An Out-of-bounds Read means that the server reads data outside the intended memory boundaries, which can lead to unexpected behavior or information disclosure.

Impact Analysis

Exploitation of this vulnerability could allow an attacker to read memory outside the intended buffer, potentially exposing sensitive information or causing the server to behave unpredictably.

This could lead to information disclosure or denial of service, depending on how the out-of-bounds read is leveraged.

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