The vulnerability of the mkgmtime function (libxmlrpc/xmlrpc.c) in the PHP programming language allows a perpetrator to

The vulnerability of the mkgmtime function libxmlrpc/xmlrpc.c in the PHP interpreter is caused by buffer overflow...

php: xmlrpc ISO8601 date format parsing out-of-bounds read in mkgmtime()

An out of bounds read flaw was found in the way the xmlrpc extension parsed dates in the ISO 8601 format. A specially crafted XML-RPC request or response could possibly cause a PHP application to crash...