CVE-2018-12359

Source
Severity Critical
Remote Yes
Type Arbitrary code execution
Description
A buffer overflow can occur in Firefox before 61.0 and Thunderbird before 52.9 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.
Group Package Affected Fixed Severity Status Ticket
AVG-728 thunderbird 52.8.0-1 52.9.1-1 Critical Fixed
AVG-727 firefox 60.0.2-1 61.0-1 Critical Fixed
Date Advisory Group Package Severity Description
16 Jul 2018 ASA-201807-4 AVG-728 thunderbird Critical multiple issues
27 Jun 2018 ASA-201806-14 AVG-727 firefox Critical multiple issues
References
https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-12359
https://bugzilla.mozilla.org/show_bug.cgi?id=1459162