Key Findings Apache HTTP Server 2.4.66 contains CVE-2026-23918, a critical double-free vulnerability in HTTP/2 handling with a CVSS score of 8.8 The flaw enables both denial-of-service attacks and remote code execution under certain conditions Affected versions are patched in Apache 2.4.67 Exploitation requires minimal effort for DoS but RCE demands specific server configurations with APR mmap allocator MPM prefork mode is not affected, but HTTP/2's widespread deployment sign
