[MEDIUM] Request::getHost() poisoning

PKSA-jqr2-4r5d-hkhp CVE-2013-4752 GHSA-22pv-7v9j-hqxp

Affected package: symfony/symfony

Affected version: >=2.0.0,<2.0.24|>=2.1.0,<2.1.12|>=2.2.0,<2.2.5|>=2.3.0,<2.3.3

Reported by:
GitHub, FriendsOfPHP/security-advisories