modules: mbedtls: update to 3.6.3

Update Mbed TLS to 3.6.3 as it has CVE fixes.

Signed-off-by: Sudan Landge <[email protected]>

Author: wearyzen

doc/releases/release-notes-4.0.rst

@@ -2,6 +2,42 @@
 
 .. _zephyr_4.0:
 
+.. _zephyr_4.0.1:
+
+Zephyr 4.0.1
+############
+
+This is an LTS maintenance release with fixes.
+
+Security Vulnerability Related
+******************************
+
+The following CVEs are addressed by this release:
+
+* :cve:`2025-27809` `TLS clients may unwittingly skip server authentication
+  <https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-03-1/>`_
+* :cve:`2025-27810` `Potential authentication bypass in TLS handshake
+  <https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-03-2/>`_
+
+More detailed information can be found in:
+https://docs.zephyrproject.org/latest/security/vulnerabilities.html
+
+Issues fixed
+************
+
+These GitHub issues were addressed since the previous 4.0.0 tagged release:
+
+Mbed TLS
+********
+
+Mbed TLS was updated to version 3.6.3 (from 3.6.2). The release notes can be found at:
+https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-3.6.3
+
+Mbed TLS 3.6 is an LTS release that will be supported
+with security and bug fixes until at least March 2027.
+
+.. _zephyr_4.0.0:
+
 Zephyr 4.0.0
 ############
 

west.yml

@@ -280,7 +280,7 @@ manifest:
       revision: 2b498e6f36d6b82ae1da12c8b7742e318624ecf5
       path: modules/lib/gui/lvgl
     - name: mbedtls
-      revision: a78176c6ff0733ba08018cba4447bd3f20de7978
+      revision: 5f889934359deccf421554c7045a8381ef75298f
       path: modules/crypto/mbedtls
       groups:
         - crypto