[PATCH] fixed #2092

Gbp-Pq: Name CVE-2021-4043.patch

diff --git a/src/isomedia/box_code_base.c b/src/isomedia/box_code_base.c
index 280b351739375e7d6817e3156c5349d0795b063c..4de52f0d0e5a5ccb0b7b41e4b7b2b745e18379d1 100644 (file)
--- a/src/isomedia/box_code_base.c
+++ b/src/isomedia/box_code_base.c
@@ -10672,10 +10672,12 @@ void gitn_box_del(GF_Box *s)
        u32 i;
        GroupIdToNameBox *ptr = (GroupIdToNameBox *)s;
        if (ptr == NULL) return;
-       for (i=0; i<ptr->nb_entries; i++) {
-               if (ptr->entries[i].name) gf_free(ptr->entries[i].name);
+       if (ptr->entries) {
+               for (i=0; i<ptr->nb_entries; i++) {
+                       if (ptr->entries[i].name) gf_free(ptr->entries[i].name);
+               }
+               gf_free(ptr->entries);
        }
-       if (ptr->entries) gf_free(ptr->entries);
        gf_free(ptr);
 }