Remote Yes

Type Arbitrary code execution

Description

An integer overflow can occur in Firefox before 61.0 and Thunderbird before 60.0 in the SwizzleData code while calculating buffer sizes. The overflowed value is used for subsequent graphics computations when their inputs are not sanitized which results 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-2018-12361
https://bugzilla.mozilla.org/show_bug.cgi?id=1463244