[HIGH] RCE affecting Windows hosts via UNC paths to translation files

PKSA-35kn-2ddp-d3p4 CVE-2021-34551 GHSA-7q44-r25x-wm4q

Affected package: phpmailer/phpmailer

Affected version: <6.5.0

Reported by:
GitHub, FriendsOfPHP/security-advisories