CVE DATABASE / CVE-2026-23918
CVE-2026-23918
CVSS 8.8 · HIGH
Summary
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 3.1 breakdown
| Base score | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Apache http server
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References
- https://httpd.apache.org/security/vulnerabilities_24.html
- http://www.openwall.com/lists/oss-security/2026/05/04/19
Data: NIST NVD. NVD last modified 2026-05-04. Always verify against the vendor advisory before acting.