Index: lldb/source/Utility/UriParser.cpp
===================================================================
--- lldb/source/Utility/UriParser.cpp
+++ lldb/source/Utility/UriParser.cpp
@@ -42,7 +42,7 @@
   // Extract hostname
   if (!host_port.empty() && host_port[0] == '[') {
     // hostname is enclosed with square brackets.
-    pos = host_port.find(']');
+    pos = host_port.rfind(']');
     if (pos == std::string::npos)
       return false;
 
Index: lldb/unittests/Utility/UriParserTest.cpp
===================================================================
--- lldb/unittests/Utility/UriParserTest.cpp
+++ lldb/unittests/Utility/UriParserTest.cpp
@@ -74,12 +74,18 @@
   VALIDATE
 }
 
-TEST(UriParserTest, TypicalPortPath) {
+TEST(UriParserTest, TypicalPortPathIPv4) {
   const UriTestCase testCase("connect://192.168.100.132:5432/", "connect",
                              "192.168.100.132", 5432, "/");
   VALIDATE;
 }
 
+TEST(UriParserTest, TypicalPortPathIPv6) {
+  const UriTestCase testCase("connect://[2601:600:107f:db64:a42b:4faa:284:3082]:5432/", "connect",
+                             "2601:600:107f:db64:a42b:4faa:284:3082", 5432, "/");
+  VALIDATE;
+}
+
 TEST(UriParserTest, BracketedHostnamePort) {
   const UriTestCase testCase("connect://[192.168.100.132]:5432/", "connect",
                              "192.168.100.132", 5432, "/");
@@ -102,6 +108,18 @@
   VALIDATE
 }
 
+TEST(UriParserTest, BracketedHostnameWithPortIPv4) {
+  const UriTestCase testCase("connect://[192.168.100.132:1234]", "connect",
+                             "192.168.100.132:1234", -1, "/");
+  VALIDATE
+}
+
+TEST(UriParserTest, BracketedHostnameWithPortIPv6) {
+  const UriTestCase testCase("connect://[[2601:600:107f:db64:a42b:4faa:284]:1234]", "connect",
+                             "[2601:600:107f:db64:a42b:4faa:284]:1234", -1, "/");
+  VALIDATE
+}
+
 TEST(UriParserTest, BracketedHostnameWithColon) {
   const UriTestCase testCase("connect://[192.168.100.132:5555]:1234", "connect",
                              "192.168.100.132:5555", 1234, "/");