Security Advisory
CVE-2018-18493
9.8
CRITICAL
Vulnerability 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.
Published Date
February 28, 2019
Official Source
NIST NVD Advisory