Double Free and Remote Code Execution Vulnerability in Apache HTTP Server
CVE-2026-23918

8.8HIGH

Key Information:

Vendor

Apache
Status
Apache Http Server
Vendor
CVE Published:
4 May 2026

What is CVE-2026-23918?

A double free vulnerability has been identified in Apache HTTP Server that may lead to remote code execution, particularly concerning the HTTP/2 protocol. This issue affects version 2.4.66, and it is crucial for users to upgrade to version 2.4.67 to mitigate any potential security risks associated with this vulnerability.

Affected Version(s)

Apache HTTP Server 2.4.66

References

https://httpd.apache.org/security/vulnerabilities_24.html
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bartlomiej Dmitruk, striga.ai
Stanislaw Strzalkowski, isec.pl
.