Threat Intelligence / CVE / CVE-2026-23918

CVE-2026-23918

CVSS 8.8 (HIGH) · EPSS 1.0% · Published 2026-05-04

Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-415

Threats tracking this CVE

CVE-2026-23918 — Apache HTTP Server mod_http2 Double Free Enabling Unauthenticated DoS and Possible RCE — CRITICAL

References

https://httpd.apache.org/security/vulnerabilities_24.html

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