CVE-2018-5097: Mozilla: Use-after-free when source document is manipulated during XSLT (MFSA 2018-03)

Severity: Critical

CVSS Score: 9.8

A use-after-free vulnerability can occur during XSL transformations when the source document for the transformation is manipulated by script content during the transformation. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.