CVE-2026-23918
Apache HTTP Server: http2: double free and possible RCE on early reset
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-415 |
| Vendor | apache software foundation |
| Product | apache http server |
| Published | May 4, 2026 |
| Last Updated | Jul 15, 2026 |
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Affected Versions
Apache Software Foundation / Apache HTTP Server
2.4.66
References
httpd.apache.org: https://httpd.apache.org/security/vulnerabilities_24.html openwall.com: http://www.openwall.com/lists/oss-security/2026/05/04/19 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-23918 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2465304 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23918.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13938
Credits
Bartlomiej Dmitruk, striga.ai Stanislaw Strzalkowski, isec.pl