PATCH 2/3: Don't read COLORVAR out of bounds

This could happen if a terminal replies with a bg value we don't know
about.
---
 Src/Zle/termquery.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Src/Zle/termquery.c b/Src/Zle/termquery.c
index f5d5302297..9bbe226783 100644
--- a/Src/Zle/termquery.c
+++ b/Src/Zle/termquery.c
@@ -457,6 +457,8 @@ handle_color(int bg, int red, int green, int blue)
         case 2:  /* cursor color */
 	    memo_cursor = (red << 24) | (green << 16) | (blue << 8);
 	    break;
+	default: /* invalid color */
+	    return;
     }
 
     colour = zalloc(8);
-- 
2.38.1