CVE-2018-18492

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 64 Firefox ESR versions prior to 60.4 Thunderbird versions prior to 60.4

Description A use-after-free issue can occur due to a weak reference to the select element in the options collection after deleting a selection element, resulting in a potentially exploitable crash. This issue may allow a remote attacker to execute arbitrary code or cause a denial of service.

Recommendations For Firefox versions prior to 64, update to version 64 or later. For Firefox ESR versions prior to 60.4, update to version 60.4 or later. For Thunderbird versions prior to 60.4, update to version 60.4 or later.