PHP 7.3.x < 7.3.1 Multiple vulnerabilities

According to its banner, the version of PHP running on the remote web server is 5.6.x prior to 5.6.40, 7.1.x prior to 7.1.26, 7.2.x prior to 7.2.14 or 7.3.x prior to 7.3.1. It is, therefore, affected by multiple vulnerabilities: - An integer underflow condition exists in gdContributionsAlloc...