Apache fixes critical HTTP/2 double-free flaw CVE-2026-23918 enabling RCE

Security Affairs

May 6, 2026 at 11:00 AM

Overview

Apache has released updates to address multiple vulnerabilities in its HTTP Server, including a serious flaw identified as CVE-2026-23918. This vulnerability, which has a CVSS score of 8.8, is a double-free error in the handling of HTTP/2 requests. If exploited, it could allow attackers to execute arbitrary code on affected systems. Organizations using Apache HTTP Server, particularly those enabling HTTP/2, should prioritize updating their software to mitigate this risk. The nature of the flaw makes it critical for system administrators to be proactive in applying the latest patches to safeguard against potential attacks.

Key Takeaways

Affected Systems: Apache HTTP Server versions with HTTP/2 enabled.
Action Required: Users should update to the latest version of Apache HTTP Server that includes the patch for CVE-2026-23918.
Timeline: Newly disclosed

Original Article Summary

Apache fixed several flaws in HTTP Server, including CVE-2026-23918 (CVSS score of 8.8), a double-free bug in HTTP/2 that could allow remote code execution. The Apache Software Foundation has released updates to fix multiple vulnerabilities in its HTTP Server, including CVE-2026-23918 (CVSS score of 8.8). The issue involves a “double free” error in HTTP/2 handling […]

Impact

Apache HTTP Server versions with HTTP/2 enabled.

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Newly disclosed

Remediation

Users should update to the latest version of Apache HTTP Server that includes the patch for CVE-2026-23918. Specific version numbers were not provided, so checking the official Apache website for the latest updates is recommended.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Vulnerability, RCE, and 2 more.

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