This update for MozillaFirefox fixes the following issues: Security issues fixed: - CVE-2019-11691: Use-after-free in XMLHttpRequest - CVE-2019-11692: Use-after-free removing listeners in the event listener manager - CVE-2019-11693: Buffer overflow in WebGL bufferdata on Linux - CVE-2019-11694: Uninitialized memory memory leakage in Windows sandbox - CVE-2019-11698: Theft of user history data through drag and drop of hyperlinks to and from bookmarks - CVE-2019-7317: Use-after-free in png_image_free of libpng library - CVE-2019-9800: Memory safety bugs fixed in Firefox 67 and Firefox ESR 60.7 - CVE-2019-9815: Disable hyperthreading on content JavaScript threads on macOS - CVE-2019-9816: Type confusion with object groups and UnboxedObjects - CVE-2019-9817: Stealing of cross-domain images using canvas - CVE-2019-9818: Use-after-free in crash generation server - CVE-2019-9819: Compartment mismatch with fetch API - CVE-2019-9820: Use-after-free of ChromeEventHandler by DocShell Non-security issues fixed: - Font and date adjustments to accommodate the new Reiwa era in Japan - Update to Firefox ESR 60.7