diff --git a/ChangeLog.md b/ChangeLog.md
index 61a9095..67d1950 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -15,9 +15,9 @@
 encoders to generate incorrect results when using the Clang compiler with
 Visual Studio.
 
-4. Fixed a floating point exception that occurred when attempting to compress a
-specially-crafted malformed GIF image with a specified image width of 0 using
-cjpeg.
+4. Fixed a floating point exception (CVE-2021-20205) that occurred when
+attempting to compress a specially-crafted malformed GIF image with a specified
+image width of 0 using cjpeg.
 
 
 2.0.90 (2.1 beta1)