From f8d6be3f8170c4aa3bea1618994f912629f3d0c3 Mon Sep 17 00:00:00 2001
From: Bodo Möller <bodo@openssl.org>
Date: Sun, 14 Sep 2008 13:42:34 +0000
Subject: Some precautions to avoid potential security-relevant problems.

---
 crypto/md32_common.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'crypto/md32_common.h')

diff --git a/crypto/md32_common.h b/crypto/md32_common.h
index 089c450290..61bcd9786f 100644
--- a/crypto/md32_common.h
+++ b/crypto/md32_common.h
@@ -301,7 +301,7 @@ int HASH_UPDATE (HASH_CTX *c, const void *data_, size_t len)
 		{
 		p=(unsigned char *)c->data;
 
-		if ((n+len) >= HASH_CBLOCK)
+		if (len >= HASH_CBLOCK || len+n >= HASH_CBLOCK)
 			{
 			memcpy (p+n,data,HASH_CBLOCK-n);
 			HASH_BLOCK_DATA_ORDER (c,p,1);
-- 
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