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

EPSS Score

0.06% (percentile: 18.8%)

Detection & Weaponization (1 sources)

Maturity: Exploit

• GitHub PoC: 9 repositories

Affected Products (2)

Other

• 21321-17086
• 21220-17084

Revision History

• 2026-05-07: Information published.