CVE-2026-44631

CVE-2026-44631: Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow

Vendor Apache Software Foundation
Product Apache HTTP Server
Weakness CWE-124
Published June 8, 2026
Last update June 8, 2026

CVSS base score

What the vulnerability does

Description

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Key dates

Disclosure timeline

June 8, 2026 CVE published
June 8, 2026 Record updated