Security update for MozillaFirefox, MozillaFirefox-branding-SLED, firefox-gcc5, mozilla-nss

This update for MozillaFirefox and mozilla-nss fixes the following issues: Security issues fixed: - Fixes in Firefox ESR 52.2 (bsc#1043960,MFSA 2017-16) - CVE-2017-7758: Out-of-bounds read in Opus encoder - CVE-2017-7749: Use-after-free during docshell reloading - CVE-2017-7751: Use-after-free with content viewer listeners - CVE-2017-5472: Use-after-free using destroyed node when regenerating trees - CVE-2017-5470: Memory safety bugs fixed in Firefox 54 and Firefox ESR 52.2 - CVE-2017-7752: Use-after-free with IME input - CVE-2017-7750: Use-after-free with track elements - CVE-2017-7768: 32 byte arbitrary file read through Mozilla Maintenance Service - CVE-2017-7778: Vulnerabilities in the Graphite 2 library - CVE-2017-7754: Out-of-bounds read in WebGL with ImageInfo object - CVE-2017-7755: Privilege escalation through Firefox Installer with same directory DLL files - CVE-2017-7756: Use-after-free and use-after-scope logging XHR header errors - CVE-2017-7757: Use-after-free in IndexedDB - CVE-2017-7761: File deletion and privilege escalation through Mozilla Maintenance Service helper.exe application - CVE-2017-7763: Mac fonts render some unicode characters as spaces - CVE-2017-7765: Mark of the Web bypass when saving executable files - CVE-2017-7764: Domain spoofing with combination of Canadian Syllabics and other unicode blocks - update to Firefox ESR 52.1 (bsc#1035082,MFSA 2017-12) - CVE-2016-10196: Vulnerabilities in Libevent library - CVE-2017-5443: Out-of-bounds write during BinHex decoding - CVE-2017-5429: Memory safety bugs fixed in Firefox 53, Firefox ESR 45.9, and Firefox ESR 52.1 - CVE-2017-5464: Memory corruption with accessibility and DOM manipulation - CVE-2017-5465: Out-of-bounds read in ConvolvePixel - CVE-2017-5466: Origin confusion when reloading isolated data:text/html URL - CVE-2017-5467: Memory corruption when drawing Skia content - CVE-2017-5460: Use-after-free in frame selection - CVE-2017-5461: Out-of-bounds write in Base64 encoding in NSS - CVE-2017-5448: Out-of-bounds write in ClearKeyDecryptor - CVE-2017-5449: Crash during bidirectional unicode manipulation with animation - CVE-2017-5446: Out-of-bounds read when HTTP/2 DATA frames are sent with incorrect data - CVE-2017-5447: Out-of-bounds read during glyph processing - CVE-2017-5444: Buffer overflow while parsing application/http-index-format content - CVE-2017-5445: Uninitialized values used while parsing application/http- index-format content - CVE-2017-5442: Use-after-free during style changes - CVE-2017-5469: Potential Buffer overflow in flex-generated code - CVE-2017-5440: Use-after-free in txExecutionState destructor during XSLT processing - CVE-2017-5441: Use-after-free with selection during scroll events - CVE-2017-5439: Use-after-free in nsTArray Length() during XSLT processing - CVE-2017-5438: Use-after-free in nsAutoPtr during XSLT processing - CVE-2017-5436: Out-of-bounds write with malicious font in Graphite 2 - CVE-2017-5435: Use-after-free during transaction processing in the editor - CVE-2017-5434: Use-after-free during focus handling - CVE-2017-5433: Use-after-free in SMIL animation functions - CVE-2017-5432: Use-after-free in text input selection - CVE-2017-5430: Memory safety bugs fixed in Firefox 53 and Firefox ESR 52.1 - CVE-2017-5459: Buffer overflow in WebGL - CVE-2017-5462: DRBG flaw in NSS - CVE-2017-5455: Sandbox escape through internal feed reader APIs - CVE-2017-5454: Sandbox escape allowing file system read access through file picker - CVE-2017-5456: Sandbox escape allowing local file system access - CVE-2017-5451: Addressbar spoofing with onblur event - General - CVE-2015-5276: Fix for C++11 std::random_device short reads (bsc#945842) Bugfixes: - workaround for Firefox hangs (bsc#1031485, bsc#1025108) - Update to gcc-5-branch head. * Includes fixes for (bsc#966220), (bsc#962765), (bsc#964468), (bsc#939460), (bsc#930496), (bsc#930392) and (bsc#955382). - Add fix to revert accidential libffi ABI breakage on AARCH64. (bsc#968771) - Build s390[x] with --with-tune=z9-109 --with-arch=z900 on SLE11 again. (bsc#954002) - Fix libffi include install. (bsc#935510)