X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fstack%2Fstack.c;h=821b6caca5227ff249b8dc4859e9d4baaa0a3af8;hp=1d2b47ee678d3caa25d9275fb5d5247c337ec50a;hb=2749276b95952d3898bc3b64373ade78a8f84fb7;hpb=b6a5fdb8a7fa643242b3abd6075553875e427b53

diff --git a/crypto/stack/stack.c b/crypto/stack/stack.c
index 1d2b47ee67..821b6caca5 100644
--- a/crypto/stack/stack.c
+++ b/crypto/stack/stack.c
@@ -307,7 +307,7 @@ int sk_num(const STACK *st)
 
 char *sk_value(const STACK *st, int i)
 {
-	if(st == NULL) return NULL;
+	if(!st || (i < 0) || (i >= st->num)) return NULL;
 	return st->data[i];
 }