diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 7842136..156b6be 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -7,6 +7,11 @@
 
 Release Date: Not Released
 
+-  **Security**
+
+   -  Fixed an SQL injection in the 'odbc' database driver.
+   -  Updated :php:func:`set_realpath()` :doc:`Path Helpr <helpers/path_helper>` function to filter-out ``php://`` wrapper inputs.
+
 -  General Changes
 
    -  Updated :doc:`Image Manipulation Library <libraries/image_lib>` to validate *width* and *height* configuration values.