CVE ID:	CVE-2018-18493
Description:	A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2018-18493 BugTraq ID: 106168 http://www.securityfocus.com/bid/106168 Debian Security Information: DSA-4354 (Google Search) https://www.debian.org/security/2018/dsa-4354 Debian Security Information: DSA-4362 (Google Search) https://www.debian.org/security/2019/dsa-4362 https://security.gentoo.org/glsa/201903-04 https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html RedHat Security Advisories: RHSA-2018:3831 https://access.redhat.com/errata/RHSA-2018:3831 RedHat Security Advisories: RHSA-2018:3833 https://access.redhat.com/errata/RHSA-2018:3833 RedHat Security Advisories: RHSA-2019:0159 https://access.redhat.com/errata/RHSA-2019:0159 RedHat Security Advisories: RHSA-2019:0160 https://access.redhat.com/errata/RHSA-2019:0160 https://usn.ubuntu.com/3844-1/ https://usn.ubuntu.com/3868-1/