Enhance documentation of ssl_write_hostname_ext, adapt ChangeLog.
Add a reference to the relevant RFC, adapt ChangeLog.
diff --git a/ChangeLog b/ChangeLog
index ab4c50d..8729c87 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -198,6 +198,8 @@
team. #569 CVE-2017-2784
Bugfix
+ * Fix memory leak in mbedtls_ssl_set_hostname() when called multiple times.
+ Found by jethrogb, #836.
* Fix output certificate verification flags set by x509_crt_verify_top() when
traversing a chain of trusted CA. The issue would cause both flags,
MBEDTLS_X509_BADCERT_NOT_TRUSTED and MBEDTLS_X509_BADCERT_EXPIRED, to be