CVE-2026-44631: Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow
Overview
- Severity
- Critical (CVSS 9.4)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jun
- Released
- 2026-06-11
- EPSS Score
- 0.04% (percentile: 13.4%)
Affected Products (1)
Open Source Software
- azl3 httpd 2.4.67-1 on Azure Linux 3.0
Revision History
- 2026-06-11: Information published.