From: Geoff Thorpe <geoff@openssl.org>
Date: Fri, 2 Apr 2004 06:25:53 +0000 (+0000)
Subject: Avoid undefined results when the parameter is out of range.
X-Git-Tag: OpenSSL_0_9_7e~132
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7ef7a1b3de9451b8b3b171603a897f5d2f3ac14f;p=openssl

Avoid undefined results when the parameter is out of range.
---

diff --git a/crypto/stack/stack.c b/crypto/stack/stack.c
index 2496f28a8c..ff6d14a86c 100644
--- a/crypto/stack/stack.c
+++ b/crypto/stack/stack.c
@@ -306,7 +306,7 @@ 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];
 }