The webmaster's home (chinaz. com) reported on February 3 : PHP officially released PHP 5.3.10 today to urgently fix a security vulnerability, and strongly recommended that users update to PHP 5.3.10 as soon as possible. PHP officially releases PHP 5.3.10 today
A few days ago, PHP 5.3.9 was found by hackers to have a serious security vulnerability. Remote attackers can directly use this vulnerability to execute arbitrary PHP code, which poses a very high security risk. This vulnerability (CVE-2012-0830) is due to a new security vulnerability caused by PHP's official introduction of a new mechanism to address multilingual hash vulnerabilities.
PHP 5.3.9 Security Vulnerability Description