CVE-2018-12377

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 62 Firefox ESR versions prior to 60.2 Thunderbird versions prior to 60.2.1

Description A use-after-free issue can occur when refresh driver timers are refreshed under certain circumstances during shutdown, potentially leading to a crash. This issue may allow a remote attacker to execute arbitrary code or cause the application to crash.

Recommendations For Firefox versions prior to 62, update to version 62 or later. For Firefox ESR versions prior to 60.2, update to version 60.2 or later. For Thunderbird versions prior to 60.2.1, update to version 60.2.1 or later.