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-rw-r--r--crypto/objects/obj_dat.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/objects/obj_dat.c b/crypto/objects/obj_dat.c
index 27d61b3a43..e8a6b139dd 100644
--- a/crypto/objects/obj_dat.c
+++ b/crypto/objects/obj_dat.c
@@ -397,6 +397,9 @@ int OBJ_obj2nid(const ASN1_OBJECT *a)
if (a->nid != 0)
return (a->nid);
+ if (a->length == 0)
+ return NID_undef;
+
if (added != NULL) {
ad.type = ADDED_DATA;
ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */