Docs: Fix broken links in documentation files

Signed-off-by: Awadhy Mohammed <awadhy.mohammed@arm.com>
Change-Id: I29906e6e212f285fc33825689a349fd790ddddea
diff --git a/docs/security/index.rst b/docs/security/index.rst
index 736c799..a51dacb 100644
--- a/docs/security/index.rst
+++ b/docs/security/index.rst
@@ -45,7 +45,7 @@
 TF-M policy is to credit the contributor's name in the published security advisory.
 
 .. _issue tracker: https://developer.trustedfirmware.org/project/view/2/
-.. _mailing list: https://lists.trustedfirmware.org/mailman/listinfo/tf-m
+.. _mailing list: https://lists.trustedfirmware.org/mailman3/lists/tf-m.lists.trustedfirmware.org/
 .. _TrustedFirmware.org security incident process: https://developer.trustedfirmware.org/w/collaboration/security_center/
 .. _Security Incident Process: https://developer.trustedfirmware.org/w/collaboration/security_center/reporting/
 
diff --git a/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.rst b/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.rst
index 722640f..993f1a8 100644
--- a/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.rst
+++ b/docs/security/security_advisories/profile_small_key_id_encoding_vulnerability.rst
@@ -161,7 +161,7 @@
 
 .. _42e77b: https://review.trustedfirmware.org/plugins/gitiles/TF-M/trusted-firmware-m/+/42e77b561fcfe19819ff1e63cb7c0b672ee8ba41
 
-.. _v1.4.1: https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/log/?h=TF-Mv1.4.x
+.. _v1.4.1: https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tag/?h=TF-Mv1.4.1
 
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