Related Vulnerabilities: CVE-2018-12371  

An integer overflow vulnerability has been found in the Skia library shipped with Firefox before 61.0 and Thunderbird before 60.0, when allocating memory for edge builders on some systems with at least 16 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash.

Severity Medium

Remote Yes

Type Arbitrary code execution

Description

An integer overflow vulnerability has been found in the Skia library shipped with Firefox before 61.0  and Thunderbird before 60.0, when allocating memory for edge builders on some systems with at least 16 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash.

AVG-751 thunderbird 52.9.1-1 60.0-1 Critical Fixed

AVG-727 firefox 60.0.2-1 61.0-1 Critical Fixed

10 Aug 2018 ASA-201808-8 AVG-751 thunderbird Critical multiple issues

27 Jun 2018 ASA-201806-14 AVG-727 firefox Critical multiple issues

https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-12371
https://bugzilla.mozilla.org/show_bug.cgi?id=1465686