[openssl] openssl-3.0 update

matthias.st.pierre at ncp-e.com matthias.st.pierre at ncp-e.com
Sun Nov 7 21:07:54 UTC 2021


The branch openssl-3.0 has been updated
       via  0cb66d6bfeb7685f5776e1a93d716024fe678018 (commit)
      from  51f416d7c90e0eb04f9b0c5be189426e27f5779e (commit)


- Log -----------------------------------------------------------------
commit 0cb66d6bfeb7685f5776e1a93d716024fe678018
Author: Pauli <pauli at openssl.org>
Date:   Thu Nov 4 08:23:32 2021 +1000

    avoid a NULL dereference when getting digest
    
    Fixes #16961
    
    Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre at ncp-e.com>
    (Merged from https://github.com/openssl/openssl/pull/16969)
    
    (cherry picked from commit ab547fc005307ecf48451638e947cdabca147159)

-----------------------------------------------------------------------

Summary of changes:
 crypto/evp/evp_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c
index 64d7fb046d..24092cfd5b 100644
--- a/crypto/evp/evp_lib.c
+++ b/crypto/evp/evp_lib.c
@@ -999,7 +999,7 @@ EVP_MD *EVP_MD_CTX_get1_md(EVP_MD_CTX *ctx)
     if (ctx == NULL)
         return NULL;
     md = (EVP_MD *)ctx->reqdigest;
-    if (!EVP_MD_up_ref(md))
+    if (md == NULL || !EVP_MD_up_ref(md))
         return NULL;
     return md;
 }


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