MGASA-2017-0180

* Use-after-free using destroyed node when regenerating trees (CVE-2017-5472). * Use-after-free during docshell reloading (CVE-2017-7749). * Use-after-free with track elements (CVE-2017-7750). * Use-after-free with content viewer listeners (CVE-2017-7751). * Use-after-free with IME input (CVE-2017-7752). * Out-of-bounds read in WebGL with ImageInfo object (CVE-2017-7754). * Use-after-free and use-after-scope logging XHR header errors (CVE-2017-7756). * Use-after-free in IndexedDB (CVE-2017-7757). * Vulnerabilities in the Graphite 2 library (CVE-2017-7778). * Out-of-bounds read in Opus encoder (CVE-2017-7758). * Mac fonts render some unicode characters as spaces (CVE-2017-7763). * Domain spoofing with combination of Canadian Syllabics and other unicode blocks (CVE-2017-7764). * Mark of the Web bypass when saving executable files (CVE-2017-7765). * Memory safety bugs fixed in Firefox 54 and Firefox ESR 52.2, and Thunderbird 52.2 (CVE-2017-5470). * plus various bug fixes.