Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 60.5.1 ESR. Security Fix: * chromium-browser, mozilla: Use after free in Skia * mozilla: Integer overflow in Skia For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.