Merge remote-tracking branch 'origin/5.12.8' into 5.12

Change-Id: I515f1330de2414296c91b1fd0c256c8d69a2ddc7

Author: Allan Sandfeld Jensen

dist/changes-5.12.8

@@ -0,0 +1,73 @@
+Qt 5.12.8 is a bug-fix release. It maintains both forward and backward
+compatibility (source and binary) with Qt 5.12.0 through 5.12.7.
+
+For more details, refer to the online documentation included in this
+distribution. The documentation is also available online:
+
+https://doc.qt.io/qt-5/index.html
+
+The Qt version 5.12 series is binary compatible with the 5.11.x series.
+Applications compiled for 5.11 will continue to run with 5.12.
+
+Some of the changes listed in this file include issue tracking numbers
+corresponding to tasks in the Qt Bug Tracker:
+
+https://bugreports.qt.io/
+
+Each of these identifiers can be entered in the bug tracker to obtain more
+information about a particular change.
+
+****************************************************************************
+*                              Qt 5.12.8 Changes                           *
+****************************************************************************
+
+General
+-------
+
+  - [QTBUG-81313] Enabled running with glibc 2.30 in Linux sandbox
+  - [QTBUG-81521] Update navigation actions when load finishes in a subframe
+  - [QTBUG-78490] Fixed crash when initiaing loads from urlChanged handlers
+
+Chromium
+--------
+
+  - Security fixes from Chromium up to version 80.0.3987.149, including:
+
+    - CVE-2019-18197 - Multiple vulnerabilities in XML
+    - CVE-2019-19923 - Out of bounds memory access in SQLite
+    - CVE-2019-19925 - Multiple vulnerabilities in SQLite
+    - CVE-2019-19926 - Inappropriate implementation in SQLite
+    - CVE-2019-20503 - Out of bounds read in usersctplib
+    - CVE-2020-6381 - Integer overflow in Javascript
+    - CVE-2020-6383 - Type confusion in V8
+    - CVE-2020-6384 - Use after free in WebAudio
+    - CVE-2020-6388 - Out of bounds memory access in WebAudio
+    - CVE-2020-6389 - Out of bounds write in WebRTC
+    - CVE-2020-6391 - Insufficient validation of untrusted input in Blink
+    - CVE-2020-6393 - Insufficient policy enforcement in Blink
+    - CVE-2020-6394 - Insufficient policy enforcement in Blink
+    - CVE-2020-6398 - Uninitialized use in PDFium
+    - CVE-2020-6399 - Insufficient policy enforcement in AppCache
+    - CVE-2020-6401
+    - CVE-2020-6405 - Out of bounds read in SQLite
+    - CVE-2020-6406 - Use after free in audio
+    - CVE-2020-6410 - Insufficient policy enforcement in navigation
+    - CVE-2020-6411
+    - CVE-2020-6412 - Insufficient validation of untrusted input in Omnibox
+    - CVE-2020-6413 - Inappropriate implementation in Blink
+    - CVE-2020-6418 - Type confusion in V8
+    - CVE-2020-6420 - Insufficient policy enforcement in media
+    - Security bug 1016038
+    - Security bug 1016506
+    - Security bug 1018629
+    - Security bug 1020031
+    - Security bug 1025442
+    - Security bug 1026293
+    - Security bug 1029865
+    - Security bug 1031909
+    - Security bug 1033461
+    - Security bug 1035723
+    - Security bug 1040700
+    - Security bug 1044570
+    - Security bug 1047097
+