1 files changed, 26 insertions, 0 deletions
diff --git a/patches/source/vim/CVE-2022-2816.patch b/patches/source/vim/CVE-2022-2816.patch
new file mode 100644
index 000000000..da790fb6d
--- /dev/null
+++ b/patches/source/vim/CVE-2022-2816.patch
@@ -0,0 +1,26 @@
+From dbdd16b62560413abcc3c8e893cc3010ccf31666 Mon Sep 17 00:00:00 2001
+From: Bram Moolenaar <Bram@vim.org>
+Date: Sun, 14 Aug 2022 21:46:07 +0100
+Subject: [PATCH] patch 9.0.0212: invalid memory access when compiling :unlet
+
+Problem:    Invalid memory access when compiling :unlet.
+Solution:   Don't read past the end of the line.
+---
+
+diff --git a/src/vim9cmds.c b/src/vim9cmds.c
+index 35a382138bf3..93032d6bf154 100644
+--- a/src/vim9cmds.c
++++ b/src/vim9cmds.c
+@@ -92,6 +92,12 @@ free_locals(cctx_T *cctx)
+     int
+ check_vim9_unlet(char_u *name)
+ {
++    if (*name == NUL)
++    {
++	semsg(_(e_argument_required_for_str), "unlet");
++	return FAIL;
++    }
++
+     if (name[1] != ':' || vim_strchr((char_u *)"gwtb", *name) == NULL)
+     {
+ 	// "unlet s:var" is allowed in legacy script.