From e6b9d591600c3baad843efeeca603645783a3884 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Burak=20Kaan=20K=C3=B6se?= <bkaankose@outlook.com>
Date: Wed, 21 Aug 2024 23:16:46 +0200
Subject: [PATCH] Potential crash for imap.

---
 Wino.Core/Synchronizers/ImapSynchronizer.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Wino.Core/Synchronizers/ImapSynchronizer.cs b/Wino.Core/Synchronizers/ImapSynchronizer.cs
index e0ef6810..ccb8e224 100644
--- a/Wino.Core/Synchronizers/ImapSynchronizer.cs
+++ b/Wino.Core/Synchronizers/ImapSynchronizer.cs
@@ -785,6 +785,7 @@ namespace Wino.Core.Synchronizers
             EventHandler<MessageFlagsChangedEventArgs> MessageFlagsChangedHandler = async (s, e) =>
             {
                 if (imapFolder == null) return;
+                if (e.UniqueId == null) return;
 
                 var localMailCopyId = MailkitClientExtensions.CreateUid(folder.Id, e.UniqueId.Value.Id);