1 files changed, 3 insertions, 0 deletions

diff --git a/lib/asn1_decoder.c b/lib/asn1_decoder.c
index 0bd8a611eb83..fef5d2e114be 100644
--- a/lib/asn1_decoder.c
+++ b/lib/asn1_decoder.c
@@ -284,6 +284,9 @@ next_op:
                                 if (unlikely(len > datalen - dp))
                                         goto data_overrun_error;
                         }
+                } else {
+                        if (unlikely(len > datalen - dp))
+                                goto data_overrun_error;
                 }
 
                 if (flags & FLAG_CONS) {