From 885b6f474a0d54c9bfa71f8c8da27ea1d3dd3a18 Mon Sep 17 00:00:00 2001
From: SilentE <silenteags@gmail.com>
Date: Wed, 27 Dec 2023 19:08:54 +0800
Subject: [PATCH] =?UTF-8?q?CVE-2022-3591=20=E5=AE=89=E5=85=A8=E6=9B=B4?=
 =?UTF-8?q?=E6=96=B0=EF=BC=9A=E4=BF=AE=E5=A4=8D=E9=87=8A=E6=94=BE=E5=90=8E?=
 =?UTF-8?q?=E9=87=8D=E7=94=A8=E9=97=AE=E9=A2=98?=
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---
 src/buffer.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/buffer.c b/src/buffer.c
index 2a84676..fc2748e 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -1400,6 +1400,14 @@ do_buffer(
 	return FAIL;
     }
 
+	if ((action == DOBUF_GOTO || action == DOBUF_SPLIT)
+						  && (buf->b_flags & BF_DUMMY))
+    {
+	// disallow navigating to the dummy buffer
+	semsg(_(e_nobufnr), count);
+	return FAIL;
+    }
+
 #ifdef FEAT_GUI
     need_mouse_correct = TRUE;
 #endif
-- 
Gitee