CVE-2007-2844
Publication date 24 May 2007
Last updated 17 July 2025
Ubuntu priority
Description
PHP 4.x and 5.x before 5.2.1, when running on multi-threaded systems, does not ensure thread safety for libc crypt function calls using protection schemes such as a mutex, which creates race conditions that allow remote attackers to overwrite internal program memory and gain system access.