CVE-2026-42528

A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes. Users are recommended to upgrade to version 2.4.69, which fixes this issue

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://httpd.apache.org/security/vulnerabilities_24.html	Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/10/01/12	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

History

02 Oct 2026, 21:02

Type	Values Removed	Values Added
References	~~() https://httpd.apache.org/security/vulnerabilities_24.html -~~	() https://httpd.apache.org/security/vulnerabilities_24.html - Vendor Advisory
References	~~() http://www.openwall.com/lists/oss-security/2026/10/01/12 -~~	() http://www.openwall.com/lists/oss-security/2026/10/01/12 - Mailing List, Third Party Advisory
First Time		Apache Apache http Server
CPE		cpe:2.3:a:apache:http_server::::::::

01 Oct 2026, 21:17

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/10/01/12 -

01 Oct 2026, 17:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.3

01 Oct 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-01 16:17

Updated : 2026-10-06 14:07

NVD link : CVE-2026-42528

Mitre link : CVE-2026-42528

CVE.ORG link : CVE-2026-42528

JSON object : View

Products Affected

apache

http_server

CWE

CWE-789

Memory Allocation with Excessive Size Value

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