As per decker: 2d77cbfb11

src/net.cpp

@@ -1492,13 +1492,18 @@ void ThreadOpenAddedConnections()
             LOCK(cs_vNodes);
             BOOST_FOREACH(CNode* pnode, vNodes)
                 for (list<vector<CService> >::iterator it = lservAddressesToAdd.begin(); it != lservAddressesToAdd.end(); it++)
+                {
                     BOOST_FOREACH(const CService& addrNode, *(it))
                         if (pnode->addr == addrNode)
                         {
                             it = lservAddressesToAdd.erase(it);
-                            it--;
+                            if ( it != lservAddressesToAdd.begin() )
+                                it--;
                             break;
                         }
+                    if (it == lservAddressesToAdd.end())
+                        break;
+                }
         }
         BOOST_FOREACH(vector<CService>& vserv, lservAddressesToAdd)
         {