diff --git a/Content.Shared/Chat/MsgChatMessage.cs b/Content.Shared/Chat/MsgChatMessage.cs
index 55a3a7342b..f7311d2dc8 100644
--- a/Content.Shared/Chat/MsgChatMessage.cs
+++ b/Content.Shared/Chat/MsgChatMessage.cs
@@ -57,7 +57,8 @@ namespace Content.Shared.Chat
         public override void ReadFromBuffer(NetIncomingMessage buffer, IRobustSerializer serializer)
         {
             var length = buffer.ReadVariableInt32();
-            using var stream = buffer.ReadAlignedMemory(length);
+            using var stream = new MemoryStream(length);
+            buffer.ReadAlignedMemory(stream, length);
             serializer.DeserializeDirect(stream, out Message);
         }
 
diff --git a/Content.Shared/Eui/MsgEuiMessage.cs b/Content.Shared/Eui/MsgEuiMessage.cs
index c71efc2d7d..3b6fbcad2c 100644
--- a/Content.Shared/Eui/MsgEuiMessage.cs
+++ b/Content.Shared/Eui/MsgEuiMessage.cs
@@ -16,8 +16,9 @@ namespace Content.Shared.Eui
         {
             Id = buffer.ReadUInt32();
 
-            var len = buffer.ReadVariableInt32();
-            var stream = buffer.ReadAlignedMemory(len);
+            var length = buffer.ReadVariableInt32();
+            using var stream = new MemoryStream(length);
+            buffer.ReadAlignedMemory(stream, length);
             Message = ser.Deserialize<EuiMessageBase>(stream);
         }
 
diff --git a/Content.Shared/Eui/MsgEuiState.cs b/Content.Shared/Eui/MsgEuiState.cs
index d1867a3cdf..3ac80ad3ea 100644
--- a/Content.Shared/Eui/MsgEuiState.cs
+++ b/Content.Shared/Eui/MsgEuiState.cs
@@ -16,8 +16,9 @@ namespace Content.Shared.Eui
         {
             Id = buffer.ReadUInt32();
 
-            var len = buffer.ReadVariableInt32();
-            var stream = buffer.ReadAlignedMemory(len);
+            var length = buffer.ReadVariableInt32();
+            using var stream = new MemoryStream(length);
+            buffer.ReadAlignedMemory(stream, length);
             State = ser.Deserialize<EuiStateBase>(stream);
         }
 
diff --git a/Content.Shared/Preferences/MsgPreferencesAndSettings.cs b/Content.Shared/Preferences/MsgPreferencesAndSettings.cs
index d9179e634a..c969c15f42 100644
--- a/Content.Shared/Preferences/MsgPreferencesAndSettings.cs
+++ b/Content.Shared/Preferences/MsgPreferencesAndSettings.cs
@@ -18,14 +18,17 @@ namespace Content.Shared.Preferences
         public override void ReadFromBuffer(NetIncomingMessage buffer, IRobustSerializer serializer)
         {
             var length = buffer.ReadVariableInt32();
-            using (var stream = buffer.ReadAlignedMemory(length))
+
+            using (var stream = new MemoryStream())
             {
+                buffer.ReadAlignedMemory(stream, length);
                 serializer.DeserializeDirect(stream, out Preferences);
             }
 
             length = buffer.ReadVariableInt32();
-            using (var stream = buffer.ReadAlignedMemory(length))
+            using (var stream = new MemoryStream())
             {
+                buffer.ReadAlignedMemory(stream, length);
                 serializer.DeserializeDirect(stream, out Settings);
             }
         }
diff --git a/Content.Shared/Preferences/MsgUpdateCharacter.cs b/Content.Shared/Preferences/MsgUpdateCharacter.cs
index 1cc662908d..3c4af1833e 100644
--- a/Content.Shared/Preferences/MsgUpdateCharacter.cs
+++ b/Content.Shared/Preferences/MsgUpdateCharacter.cs
@@ -19,7 +19,8 @@ namespace Content.Shared.Preferences
         {
             Slot = buffer.ReadInt32();
             var length = buffer.ReadVariableInt32();
-            using var stream = buffer.ReadAlignedMemory(length);
+            using var stream = new MemoryStream(length);
+            buffer.ReadAlignedMemory(stream, length);
             Profile = serializer.Deserialize<ICharacterProfile>(stream);
         }