Incorrect calculation in Apache HTTP Server - CVE-2026-42528
Published: October 1, 2026
Vulnerability identifier: #VU153093
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42528
CWE-ID: CWE-682
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to an incorrect memory calculation in mod_dav when creating WebDAV locks. A remote user can create WebDAV locks to cause a denial of service.
Affected software
Apache HTTP Server
How to mitigate CVE-2026-42528
Install security update from vendor's website.
Apache HTTP Server - update to 2.4.69