CVE-2018-12360

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 60 Thunderbird versions prior to 52.9 Firefox ESR versions prior to 60.1 Firefox ESR versions prior to 52.9 Firefox versions prior to 61

Description A use-after-free issue can occur when an input element is deleted during a mutation event handler triggered by focusing that element, resulting in a potentially exploitable crash. The vulnerability is related to the use of memory after it has been freed, which could allow a remote attacker to impact the confidentiality, integrity, and availability of protected information by deleting an input element during event handling.

Recommendations For Thunderbird versions prior to 60, update to version 60 or later. For Thunderbird versions prior to 52.9, update to version 52.9 or later. For Firefox ESR versions prior to 60.1, update to version 60.1 or later. For Firefox ESR versions prior to 52.9, update to version 52.9 or later. For Firefox versions prior to 61, update to version 61 or later.