[LOW] Untrusted code may be run from an overridden address validator

PKSA-m8by-bb7v-7qt5 CVE-2021-3603 GHSA-77mr-wc79-m8j3

Affected package: phpmailer/phpmailer

Affected version: <6.5.0

Reported by:
GitHub, FriendsOfPHP/security-advisories