FreeBSD: VID-44b6dfbf-4ef7-4d52-ad52-2b1b05d81272 (CVE-2019-11693): mozilla -- multiple vulnerabilities

Mozilla Foundation reports: 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 CVE-2019-9821: Use-after-free in AssertWorkerThread 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-2019-7317: Use-after-free in png_image_free of libpng library CVE-2019-11694: Uninitialized memory memory leakage in Windows sandbox CVE-2019-11695: Custom cursor can render over user interface outside of web content CVE-2019-11696: Java web start .JNLP files are not recognized as executable files for download prompts CVE-2019-11697: Pressing key combinations can bypass installation prompt delays and install extensions CVE-2019-11698: Theft of user history data through drag and drop of hyperlinks to and from bookmarks CVE-2019-11700: res: protocol can be used to open known local files CVE-2019-11699: Incorrect domain name highlighting during page navigation CVE-2019-11701: webcal: protocol default handler loads vulnerable web page CVE-2019-9814: Memory safety bugs fixed in Firefox 67 CVE-2019-9800: Memory safety bugs fixed in Firefox 67 and Firefox ESR 60.7