The Apache HTTP Server 2.4.68 release candidate introduces native OpenSSL 4.0 support for mod_ssl, addressing handshake failures caused by updates in cryptographic libraries. It also includes patches for critical resource leaks in mod_http2, which could lead to server issues under heavy proxy workloads. Enhancements to core logging provide millisecond timestamp precision, while various module crashes and bugs have been resolved for improved performance. Server operators are advised to test this release candidate in a staging environment before deploying it to production due to its significant impact on stability
Apache HTTP Server 2.4.68 Release Candidate Fixes Critical mod_http2 Leaks and SSL Quirks
The Apache HTTPD server 2.4.68 release candidate brings native OpenSSL 4.0 support to mod_ssl, which stops handshake failures when modern cryptographic libraries update in place. Stefan Eissing also patched three separate resource leaks in mod_http2 that quietly choke servers under heavy proxy workloads by leaving file descriptors open and miscounting cookie headers. Core logging gains millisecond timestamp precision while several older module crashes and conditional logic bugs get cleaned up for smoother daily operations. Server operators should run this build through a staging environment first since the crypto compatibility and handle leak fixes directly impact production stability.
