[MEDIUM] Incorrect signature verification

PKSA-gtm7-gv1y-95m2 CVE-2016-9955 GHSA-p9cm-r7jg-8q3g

Affected package: simplesamlphp/simplesamlphp

Affected version: <1.14.11

Reported by:
GitHub, FriendsOfPHP/security-advisories