CVE-2018-12359

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 buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. The issue is related to the rendering of canvas content and may allow a remote attacker to impact the confidentiality, integrity, and availability of protected information.

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.