Description: Fix OOB read for doc2tex utility
 This patch fixes an out-of-bound read for doc2tex utility.
Author: Zixing Liu <zixing.liu@canonical.com>
Forwarded: no
Last-Update: 2024-03-12

Index: gnuplot-6.0.2/docs/doc2tex.c
===================================================================
--- gnuplot-6.0.2.orig/docs/doc2tex.c
+++ gnuplot-6.0.2/docs/doc2tex.c
@@ -549,7 +549,7 @@ puttex( char *str, FILE *file)
 		inquote = FALSE;
 	    } else {
 		(void) fputs("{\\bf ", file);
-		for (i=0; i<MAX_LINE_LEN && ((c=str[i]) != '`') ; i++){
+		for (i=0; i<MAX_LINE_LEN && ((c=str[i]) != '`'&& c != '\0') ; i++){
                     string[i] = c;
                 }
 		string[i] = NUL;