Related Vulnerabilities: CVE-2018-12377  

A use-after-free vulnerability has been found in Thunderbird versions prior to 60.2.1, which can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash.

Severity High

Remote Yes

Type Arbitrary code execution

Description

A use-after-free vulnerability has been found in Thunderbird versions prior to 60.2.1, which can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash.

AVG-782 thunderbird 60.0-4 60.2.1-1 Critical Fixed FS#60424

18 Oct 2018 ASA-201810-13 AVG-782 thunderbird Critical multiple issues

https://www.mozilla.org/en-US/security/advisories/mfsa2018-25/#CVE-2018-12377
https://bugzilla.mozilla.org/show_bug.cgi?id=1470260