@@ -590,7 +590,14 @@ char *pdf_parse_string(struct pdf_struct *pdf, struct pdf_obj *obj, const char *

     /* Make a best effort to find the end of the string and determine if UTF-* */

     p2 = ++p1;

-    while (p2 < objstart + objsize) {

+    if (!str) {

+        checklen = cli_strnlen(p1, objsize) + 1;

+    }

+    else {

+        checklen = cli_strnlen(p1, checklen) + 1;

+    }

+

+    while (p2 < objstart + checklen) {

         int shouldbreak=0;

         switch (*p2) {

@@ -610,7 +617,7 @@ char *pdf_parse_string(struct pdf_struct *pdf, struct pdf_obj *obj, const char *

         p2++;

     }

-    if (p2 == objstart + objsize)

+    if (p2 == objstart + checklen)

         return NULL;

     len = (size_t)(p2 - p1) + 1;