1 files changed, 9 insertions, 2 deletions

diff --git a/src/lib/libssl/ssl_asn1.c b/src/lib/libssl/ssl_asn1.c
index 3723fc2e37..16bc11b559 100644
--- a/src/lib/libssl/ssl_asn1.c
+++ b/src/lib/libssl/ssl_asn1.c
@@ -299,6 +299,7 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, unsigned char **pp,
                 os.length = sizeof ret->session_id;
 
         ret->session_id_length=os.length;
+        OPENSSL_assert(os.length <= sizeof ret->session_id);
         memcpy(ret->session_id,os.data,os.length);
 
         M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
@@ -370,9 +371,15 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, unsigned char **pp,
         if(os.data != NULL)
             {
             if (os.length > SSL_MAX_SID_CTX_LENGTH)
+                {
+                ret->sid_ctx_length=os.length;
                 SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_BAD_LENGTH);
-            ret->sid_ctx_length=os.length;
-            memcpy(ret->sid_ctx,os.data,os.length);
+                }
+            else
+                {
+                ret->sid_ctx_length=os.length;
+                memcpy(ret->sid_ctx,os.data,os.length);
+                }
             OPENSSL_free(os.data); os.data=NULL; os.length=0;
             }
         else