In prestashop 8.1.4, a NULL pointer dereference was identified in the math_round function within Tools.php.Referenceshttps://github.com/prestashop/prestashop/commit/20fa542294da2cfa034a48041e292acaed0c2a7fhttps://github.com/PrestaShop/PrestaShop/blob/8.1.4/classes/Tools.php#L1774https://gist.github.com/1047524396/25c45b61a6374e0fdaf720c9863c6bcd
