Mozilla Firefox < 59.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 59.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2018-06 advisory. - A use-after-free vulnerability can occur when manipulating elements, events, and selection ranges during edit...

Security vulnerabilities fixed in Firefox 59 — Mozilla

A buffer overflow can occur when manipulating the SVG animatedPathSegList through script. This results in a potentially exploitable crash. A use-after-free vulnerability can occur when manipulating elements, events, and selection ranges during editor operations. This results in a potentially...