Document changes and release 1:91.3.0-1

debian/changelog

+thunderbird (1:91.3.0-1) unstable; urgency=medium
+
+  * [1d3e0b1] Revert "Rebuild patch queue from patch-queue branch"
+    The patch for fixing the broken build on i386 breaks other architectures,
+    so reverting for now.
+  * [66755b4] New upstream version 91.3.0
+    Fixed CVE issues in upstream version 91.3 (MFSA 2021-50):
+    CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets
+    CVE-2021-38504: Use-after-free in file picker dialog
+    CVE-2021-38506: Thunderbird could be coaxed into going into fullscreen
+                    mode without notification or warning
+    CVE-2021-38507: Opportunistic Encryption in HTTP2 could be used to bypass
+                    the Same-Origin-Policy on services hosted on other ports
+    MOZ-2021-0008: Use-after-free in HTTP2 Session object (no CVE assigned yet)
+    CVE-2021-38508: Permission Prompt could be overlaid, resulting in user
+                    confusion and potential spoofing
+    CVE-2021-38509: Javascript alert box could have been spoofed onto an
+                    arbitrary domain
+    MOZ-2021-0007: Memory safety bugs fixed in Thunderbird ESR 91.3 (no CVE
+                   assigned yet)
+
+ -- Carsten Schoenert <c.schoenert@t-online.de>  Wed, 03 Nov 2021 18:14:09 +0100
+
 thunderbird (1:91.2.1-1) unstable; urgency=medium
 
   [ Carsten Schoenert ]