This update updates QtWebEngine to a snapshot from the Qt 5.6 LTS (long-term support) branch. This is a snapshot of the QtWebEngine that will be included in the bugfix and security release Qt 5.6.3, but only the QtWebEngine component is included in this update.

The update fixes the following security issues in QtWebEngine 5.6.2: CVE-2016-5133, CVE-2016-5147, CVE-2016-5153, CVE-2016-5155, CVE-2016-5161, CVE-2016-5166, CVE-2016-5170, CVE-2016-5171, CVE-2016-5172, CVE-2016-5181, CVE-2016-5185, CVE-2016-5186, CVE-2016-5187, CVE-2016-5188, CVE-2016-5192, CVE-2016-5198, CVE-2016-5205, CVE-2016-5207, CVE-2016-5208, CVE-2016-5214, CVE-2016-5215, CVE-2016-5221, CVE-2016-5222, CVE-2016-5224, CVE-2016-5225, CVE-2016-9650, CVE-2016-9651, CVE-2016-9652, CVE-2017-5006, CVE-2017-5007, CVE-2017-5008, CVE-2017-5009, CVE-2017-5010, CVE-2017-5012, CVE-2017-5015, CVE-2017-5016, CVE-2017-5017, CVE-2017-5019, CVE-2017-5023, CVE-2017-5024, CVE-2017-5025, CVE-2017-5026, CVE-2017-5027, CVE-2017-5029, CVE-2017-5033, CVE-2017-5037, CVE-2017-5044, CVE-2017-5046, CVE-2017-5047, CVE-2017-5048, CVE-2017-5049, CVE-2017-5050, CVE-2017-5051, CVE-2017-5059, CVE-2017-5061, CVE-2017-5062, CVE-2017-5065, CVE-2017-5067, CVE-2017-5069, CVE-2017-5070, CVE-2017-5071, CVE-2017-5075, CVE-2017-5076, CVE-2016-5078, CVE-2017-5083, and CVE-2017-5089.

Other important changes include:

• Based on Chromium 49.0.2623.111 (the version used in QtWebEngine 5.7.x) with security fixes from Chromium up to version 59.0.3071.104. (5.6.2 was based on Chromium 45.0.2554.101 with security fixes from Chromium up to version 52.0.2743.116.)
• All other bug fixes from QtWebEngine 5.7.1 have been backported.

See http://code.qt.io/cgit/qt/qtwebengine.git/tree/dist/changes-5.6.3?h=5.6 for details. (Please note that at the time of this writing, not all security backports are listed in that file yet. The list above is accurate.)