diff --git a/src/libraries/Common/tests/System/Net/Http/HttpClientHandlerTest.DefaultProxyCredentials.cs b/src/libraries/Common/tests/System/Net/Http/HttpClientHandlerTest.DefaultProxyCredentials.cs
index 4ad8e2005a9285..21d2c71d3227d6 100644
--- a/src/libraries/Common/tests/System/Net/Http/HttpClientHandlerTest.DefaultProxyCredentials.cs
+++ b/src/libraries/Common/tests/System/Net/Http/HttpClientHandlerTest.DefaultProxyCredentials.cs
@@ -81,6 +81,7 @@ await server.AcceptConnectionSendResponseAndCloseAsync(
 
 #if !WINHTTPHANDLER_TEST
         [PlatformSpecific(TestPlatforms.AnyUnix)] // The default proxy is resolved via WinINet on Windows.
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/125150", TestPlatforms.OSX)] // Crashes due to a double-free bug in macOS GSS framework
         [ConditionalTheory(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
         [InlineData(false)]
         [InlineData(true)]