From c68940712d15f3fd048a94d6441d241f3c08fe5f Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Thu, 30 Jul 2020 16:41:46 +0200
Subject: [PATCH] prevent writing beyond end of buffer

---
 src/frontend/postsc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/frontend/postsc.c b/src/frontend/postsc.c
index 26221596f..b7741feca 100644
--- a/src/frontend/postsc.c
+++ b/src/frontend/postsc.c
@@ -410,7 +410,8 @@ int PS_Text(const char *text_in, int x, int y, int angle)
     char *text;
     {
         const size_t n_char_text = strlen(text_in);
-        text = TMALLOC(char, n_char_text);
+        const size_t n_char_textp = n_char_text + 2;
+        text = TMALLOC(char, n_char_textp);
        utf8_to_latin9(text, text_in, n_char_text);
     }
 #endif