diff -Nru mysql-5.5-5.5.44/debian/changelog mysql-5.5-5.5.44/debian/changelog
--- mysql-5.5-5.5.44/debian/changelog	2015-07-15 22:04:22.000000000 +0200
+++ mysql-5.5-5.5.44/debian/changelog	2015-08-12 12:17:30.000000000 +0200
@@ -1,3 +1,10 @@
+mysql-5.5 (5.5.44-0+deb7u2) wheezy-updates; urgency=low
+
+  * Fix mysql_install_db running as root, creating files owned by the wrong 
+    user. It can prevent mysql from restarting. (See also: #663000 and #737224)
+
+ -- Colin Leroy <colin@colino.net>  Wed, 12 Aug 2015 22:01:14 +0200
+
 mysql-5.5 (5.5.44-0+deb7u1) wheezy-security; urgency=high
 
   * Non-maintainer upload by the Security Team.
diff -Nru mysql-5.5-5.5.44/debian/mysql-server-5.5.postinst mysql-5.5-5.5.44/debian/mysql-server-5.5.postinst
--- mysql-5.5-5.5.44/debian/mysql-server-5.5.postinst	2015-07-15 22:04:22.000000000 +0200
+++ mysql-5.5-5.5.44/debian/mysql-server-5.5.postinst	2015-08-12 15:04:37.000000000 +0200
@@ -143,7 +143,7 @@
     # Debian: beware of the bashisms... 
     # Debian: can safely run on upgrades with existing databases 
     set +e
-    bash /usr/bin/mysql_install_db --rpm 2>&1 | $ERR_LOGGER
+    bash /usr/bin/mysql_install_db --user mysql --rpm 2>&1 | $ERR_LOGGER
     if [ "$?" != "0" ]; then
       echo "ATTENTION: An error has occured. More info is in the syslog!"
     fi