0.3.3.12: copy changelog to releasenotes

ReleaseNotes

@@ -2,6 +2,41 @@ This document summarizes new features and bugfixes in each stable
 release of Tor. If you want to see more detailed descriptions of the
 changes in each development snapshot, see the ChangeLog file.
 
+Changes in version 0.3.3.12 - 2019-02-21
+  Tor 0.3.3.12 fixes a medium-severity security bug affecting Tor
+  0.3.2.1-alpha and later. All Tor instances running an affected release
+  should upgrade to 0.3.3.12, 0.3.4.11, 0.3.5.8, or 0.4.0.2-alpha.
+
+  This release marks the end of support for the Tor 0.3.3.x series. We
+  recommend that users switch to either the Tor 0.3.4 series (supported
+  until at least 10 June 2019), or the Tor 0.3.5 series, which will
+  receive long-term support until at least 1 Feb 2022.
+
+  o Major bugfixes (cell scheduler, KIST, security):
+    - Make KIST consider the outbuf length when computing what it can
+      put in the outbuf. Previously, KIST acted as though the outbuf
+      were empty, which could lead to the outbuf becoming too full. It
+      is possible that an attacker could exploit this bug to cause a Tor
+      client or relay to run out of memory and crash. Fixes bug 29168;
+      bugfix on 0.3.2.1-alpha. This issue is also being tracked as
+      TROVE-2019-001 and CVE-2019-8955.
+
+  o Minor features (geoip):
+    - Update geoip and geoip6 to the February 5 2019 Maxmind GeoLite2
+      Country database. Closes ticket 29478.
+
+  o Minor bugfixes (build, compatibility, rust, backport from 0.4.0.2-alpha):
+    - Update Cargo.lock file to match the version made by the latest
+      version of Rust, so that "make distcheck" will pass again. Fixes
+      bug 29244; bugfix on 0.3.3.4-alpha.
+
+  o Minor bugfixes (onion services, backport from 0.4.0.2-alpha):
+    - Stop logging "Tried to establish rendezvous on non-OR circuit..."
+      as a warning. Instead, log it as a protocol warning, because there
+      is nothing that relay operators can do to fix it. Fixes bug 29029;
+      bugfix on 0.2.5.7-rc.
+
+
 Changes in version 0.3.3.11 - 2019-01-07
   Tor 0.3.3.11 backports numerous fixes from later versions of Tor,
   including an important fix for anyone using OpenSSL 1.1.1. Anyone