1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/md32_common.h b/src/lib/libcrypto/md32_common.h
index 089c450290..61bcd9786f 100644
--- a/src/lib/libcrypto/md32_common.h
+++ b/src/lib/libcrypto/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);