CVE-2026-43951: Apache HTTP Server: OOB Read in `merge_response_headers` can cause crash
Overview
- Severity
- Medium (CVSS 6.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jun
- Released
- 2026-06-11
- EPSS Score
- 0.03% (percentile: 8.3%)
Affected Products (1)
Open Source Software
- azl3 httpd 2.4.67-1 on Azure Linux 3.0
Revision History
- 2026-06-11: Information published.