diff -up vim80/src/ex_getln.c.cve0359 vim80/src/ex_getln.c
--- vim80/src/ex_getln.c.cve0359 2022-01-27 16:55:41.386213891 +0100
+++ vim80/src/ex_getln.c 2022-01-27 17:00:20.330960544 +0100
@@ -300,7 +300,7 @@ getcmdline(
ccline.cmdindent = (firstc > 0 ? indent : 0);
/* alloc initial ccline.cmdbuff */
- alloc_cmdbuff(exmode_active ? 250 : indent + 1);
+ alloc_cmdbuff(indent + 50);
if (ccline.cmdbuff == NULL)
return NULL; /* out of memory */
ccline.cmdlen = ccline.cmdpos = 0;