fix: check string length before checking unicode sequence

sitemule · Dec 4, 2024 · 79596bc · 79596bc
1 parent 8dcbe38
commit 79596bc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/serializer.c b/src/serializer.c
@@ -51,7 +51,8 @@ static void   jx_EncodeJsonStream (PSTREAM p , PUCHAR in)
 			}
 		}
 		else if  (c  == pJw->backSlash) {
-			if (in[1] != 'u'   // Dont double escape unicode escape sequence
+			// Dont double escape unicode escape sequence
+			if (strlen(in) < 6 || in[1] != 'u'   
 				|| !isxdigit(in[2]) || !isxdigit(in[3])
 				|| !isxdigit(in[4]) || !isxdigit(in[5])) {  
 				stream_putc(p,pJw->backSlash);