Description
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.
Affected products
apache: http server
References6
- httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
- www.openwall.com/lists/oss-security/2026/05/04/19 Mailing ListThird Party Advisory
- access.redhat.com/errata/RHSA-2026:13938
- access.redhat.com/security/cve/CVE-2026-23918
- bugzilla.redhat.com/show_bug.cgi?id=2465304
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23918…
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 50% percentile: 99 · as of 13 November 2026
- CWE
- CWE-415CWE-1341
Could this be exploited in your environment?
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