Add Changelog entry for #3312
Signed-off-by: sander-visser <github@visser.se>
diff --git a/ChangeLog.d/fix-null-ptr-deref-in-mbedtls_ssl_free.txt b/ChangeLog.d/fix-null-ptr-deref-in-mbedtls_ssl_free.txt
new file mode 100644
index 0000000..9554aa0
--- /dev/null
+++ b/ChangeLog.d/fix-null-ptr-deref-in-mbedtls_ssl_free.txt
@@ -0,0 +1,3 @@
+Bugfix
+ * Avoid NULL pointer dereferencing if mbedtls_ssl_free() is called with a
+ NULL pointer argument. Contributed by Sander Visser in #3312.
\ No newline at end of file