Added #659 and associated commit to 2.4.1 release notes.

Signed-off-by: Cary Phillips <cary@ilm.com>

CHANGES.md

@@ -37,12 +37,15 @@ Patch release with minor bug fixes.
 
 ### Summary
 
+* Various fixes for memory leaks and invalid memory accesses
 * Various fixes for integer overflow with large images.
 * Various cmake fixes for build/install of python modules.
 * ImfMisc.h is no longer installed, since it's a private header.
 
 ### Merged Pull Requests
 
+* [659](https://github.com/AcademySoftwareFoundation/openexr/pull/659) fix memory leaks and invalid memory accesses
+
 * [609](https://github.com/AcademySoftwareFoundation/openexr/pull/609) Fixes #593, others - issues with pyilmbase install 
 
 * [605](https://github.com/AcademySoftwareFoundation/openexr/pull/605) No longer install ImfMisc.h 
@@ -57,6 +60,8 @@ Patch release with minor bug fixes.
 
 ### Commits \[ git log v2.4.0...v2.4.1\]
 
+* [fix memory leaks and invalid memory accesses](https://github.com/AcademySoftwareFoundation/openexr/commit/e79d2296496a50826a15c667bf92bdc5a05518b4) ([Peter Hillman](@peterh@wetafx.co.nz) 2020-02-08)
+
 * [Fix overzealous removal of if statements breaking all builds except win32](https://github.com/openexr/openexr/commit/031199cd4fc062dd7bfe902c6552cf22f6bfbbdb) ([Kimball Thurston](@kdt3rd@gmail.com) 2019-11-07)
 
 * [Handle python2 not being installed, but python3 being present](https://github.com/openexr/openexr/commit/8228578da6f86d17b9a2a3f8c6053f8b4ee3fb71) ([Kimball Thurston](@kdt3rd@gmail.com) 2019-11-07)