diff --git a/ChangeLog b/ChangeLog
index 5afcc41..1ae83ed 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,10 @@
    * Fix missing padding length check in mbedtls_rsa_rsaes_pkcs1_v15_decrypt 
      required by PKCS1 v2.2
 
+Security
+   * Fix potential integer overflow to buffer overflow in
+     mbedtls_rsa_rsaes_pkcs1_v15_encrypt and mbedtls_rsa_rsaes_oaep_encrypt
+
 Bugfix
    * Fix bug in mbedtls_mpi_add_mpi() that caused wrong results when the three
      arguments where the same (in-place doubling). Found and fixed by Janos