Vulnerability Details CVE-2026-23918
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.497
EPSS Ranking 98.8%
CVSS Severity
CVSS v3 Score 8.8
References
- https://httpd.apache.org/security/vulnerabilities_24.html
- http://www.openwall.com/lists/oss-security/2026/05/04/19
- https://access.redhat.com/errata/RHSA-2026:13938
- https://access.redhat.com/security/cve/CVE-2026-23918
- https://bugzilla.redhat.com/show_bug.cgi?id=2465304
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23918.json
Products affected by CVE-2026-23918
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cpe:2.3:a:apache:http_server:2.4.66