Add a ChangeLog entry
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/ChangeLog.d/x509-subaltname-ext b/ChangeLog.d/x509-subaltname-ext
new file mode 100644
index 0000000..7845f18
--- /dev/null
+++ b/ChangeLog.d/x509-subaltname-ext
@@ -0,0 +1,5 @@
+Bugfix
+ * Fix parsing of X.509 SubjectAlternativeName extension. Previously,
+ malformed alternative name components were not caught during initial
+ certificate parsing, but only on subsequent calls to
+ mbedtls_x509_parse_subject_alt_name(). Fixes #2838.