CVE-2026-23918
high · 8.8Double 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.
8.8
CVSS
49.7%
EPSS (exploit prob.)
99th
EPSS percentile
2026-05-04
Published
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-415CWE-1341
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| apache | http_server | 2.4.66 |
Check a specific version with /api/v1/cve/match.
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
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-23918