1 files changed, 1 insertions, 1 deletions
diff --git a/ssl/s3_pkt.c b/ssl/s3_pkt.c
index 39cdbaf898..0290c991d8 100644
--- a/ssl/s3_pkt.c
+++ b/ssl/s3_pkt.c
@@ -670,7 +670,7 @@ int ssl3_write_bytes(SSL *s, int type, const void *buf_, int len)
      * promptly send beyond the end of the users buffer ... so we trap and
      * report the error in a way the user will notice
      */
-    if (len < tot) {
+    if ((len < tot) || ((wb->left != 0) && (len < (tot + s->s3->wpend_tot)))) {
         SSLerr(SSL_F_SSL3_WRITE_BYTES, SSL_R_BAD_LENGTH);
         return (-1);
     }