vendor/openssl/1.1.1c

1 files changed, 4 insertions, 2 deletions

diff --git a/crypto/rsa/rsa_ameth.c b/crypto/rsa/rsa_ameth.c
index 75debb3e0a9d2..ab5f61518bb15 100644
--- a/crypto/rsa/rsa_ameth.c
+++ b/crypto/rsa/rsa_ameth.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2006-2019 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -583,10 +583,12 @@ static RSA_PSS_PARAMS *rsa_ctx_to_pss(EVP_PKEY_CTX *pkctx)
         return NULL;
     if (saltlen == -1) {
         saltlen = EVP_MD_size(sigmd);
-    } else if (saltlen == -2) {
+    } else if (saltlen == -2 || saltlen == -3) {
         saltlen = EVP_PKEY_size(pk) - EVP_MD_size(sigmd) - 2;
         if ((EVP_PKEY_bits(pk) & 0x7) == 1)
             saltlen--;
+        if (saltlen < 0)
+            return NULL;
     }
 
     return rsa_pss_params_create(sigmd, mgf1md, saltlen);