diff --git a/winsup/cygwin/release/2.8.1 b/winsup/cygwin/release/2.8.1
index c90cd1625..9a0ecb7a6 100644
--- a/winsup/cygwin/release/2.8.1
+++ b/winsup/cygwin/release/2.8.1
@@ -27,3 +27,6 @@ Bug Fixes
 
 - Fix ldd potentially looping on non-continuable exception
   Addresses: https://cygwin.com/ml/cygwin-patches/2017-q2/msg00002.html
+
+- Fix buffer overflow problem in wcsxfrm/wcsxfrm_l.
+  Addresses: https://cygwin.com/ml/cygwin/2017-05/msg00149.html