Internet Bug Bounty: buffer overread in base64 code of the xmlrpc module

Malformed input to the xmlrpcdecode function can cause an out of bounds read in the base64 code. This is fixed in the latest updates of PHP 7.3.1 etc. Report: https://bugs.php.net/bug.php?id=77380 Impact If the attacker has access to the decoded output this may leak memory contents...