CVE-2024-2757

In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function. 

More information : http://www.openwall.com/lists/oss-security/2024/04/12/11