add CHANGES note

(cherry picked from commit 05531d3a867d0c9d98a09502e297b0d30a8daed3)

diff --git a/CHANGES b/CHANGES
index 8ceed4308e7565973f6e2758bc748a223e5e1d0a..0550ba36c4f1253b790a9f651336aa88c2ecbba0 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+5017.  [bug]           lib/isc/pk11.c failed to unlink the session before
+                       releasing the lock which is unsafe. [GL !589]
+
 5016.  [bug]           Named could assert with overlapping filter-aaaa and
                        dns64 acls. [GL #445]