CVE-2026-23918: Apache HTTP Server: http2: double free and possible RCE on early reset
Overview
- Severity
- High (CVSS 8.8)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-07
- Last Updated
- 2026-05-15
- EPSS Score
- 6.76% (percentile: 93.1%)
Detection & Weaponization (1 sources)
Maturity: Exploit
- GitHub PoC: 8 repositories
Affected Products (2)
Open Source Software
- cbl2 httpd 2.4.66-1 on CBL Mariner 2.0
- azl3 httpd 2.4.66-1 on Azure Linux 3.0
Revision History
- 2026-05-07: Information published.
- 2026-05-15: Information published.