.. _16.2.0: pacific#v16-2-0-pacific
.. _Octopus: octopus
+.. _15.2.12: octopus#v15-2-12-octopus
.. _15.2.11: octopus#v15-2-11-octopus
.. _15.2.10: octopus#v15-2-10-octopus
.. _15.2.9: octopus#v15-2-9-octopus
Octopus is the 15th stable release of Ceph. It is named after an
order of 8-limbed cephalopods.
+v15.2.12 Octopus
+================
+
+This is a hotfix release addressing a number of security issues and regressions. We recommend all users update to this release.
+
+Changelog
+---------
+
+* mgr/dashboard: fix base-href: revert it to previous approach (`issue#50684 <https://tracker.ceph.com/issues/50684>`_, Avan Thakkar)
+* mgr/dashboard: fix cookie injection issue (:ref:`CVE-2021-3509`, Ernesto Puerta)
+* rgw: RGWSwiftWebsiteHandler::is_web_dir checks empty subdir_name (:ref:`CVE-2021-3531`, Felix Huettner)
+* rgw: sanitize \r in s3 CORSConfiguration's ExposeHeader (:ref:`CVE-2021-3524`, Sergey Bobrov, Casey Bodley)
+
v15.2.11 Octopus
================