LiteSpeed Technologies, Inc. has released LiteSpeed Web Server 4.0.15.

This is security patch release to address null-byte exploit from scripts. All LiteSpeed users are highly recommended to upgrade to this release. If you are not able perform immediate upgrade, please add mod_security rules to block this.

Based in New Jersey, LiteSpeed Technologies is a U.S. company dedicated to software technologies that enable faster Internet content delivery and infrastructure cost reduction for large websites, service providers, and enterprise data centers.

LiteSpeed Web Server, the company's flagship product, is quickly becoming the industry leader of the web server market in terms of performance, scalability and security.

LiteSpeed Web Server is the only full-featured, optimized web server that is interchangeable with Apache. LiteSpeed Web Server seamlessly integrates with web hosting software including popular control panels.