Fix #9300 (#9312)

MediaBrowser.Common/Net/IPNetAddress.cs

@@ -167,6 +167,11 @@ namespace MediaBrowser.Common.Net
                 address = address.MapToIPv4();
             }
 
+            if (address.AddressFamily != AddressFamily)
+            {
+                return false;
+            }
+
             var (altAddress, altPrefix) = NetworkAddressOf(address, PrefixLength);
             return NetworkAddress.Address.Equals(altAddress) && NetworkAddress.PrefixLength >= altPrefix;
         }

tests/Jellyfin.Networking.Tests/NetworkManagerTests.cs

@@ -45,6 +45,7 @@ namespace Jellyfin.Networking.Tests
         [InlineData("fd23:184f:2029:0::/56", "fd24:184f:2029:0:3139:7386:67d7:d517")]
         [InlineData("fd23:184f:2029:0::/56, !fd23:184f:2029:0:3139:7386:67d7:d500/120", "fd23:184f:2029:0:3139:7386:67d7:d517")]
         [InlineData("fd23:184f:2029:0::/56", "192.168.10.60")]
+        [InlineData("2001:abcd:abcd:6b40::0/60", "192.168.10.60")]
         public void InNetwork_False_Success(string network, string value)
         {
             var ip = IPAddress.Parse(value);