We're happy to announce the third backport release in the Squid series.

https://ceph.io/en/news/blog/2025/v19-2-3-squid-released/

Notable Changes

---------------
* RGW: PutObjectLockConfiguration can now be used to enable S3 Object Lock on an
  existing versioning-enabled bucket that was not created with Object
Lock enabled.
* RADOS: A new command, `ceph osd rm-pg-upmap-primary-all`, has been
added that allows
  users to clear all pg-upmap-primary mappings in the osdmap when desired.
  Related trackers:
   - https://tracker.ceph.com/issues/67179
   - https://tracker.ceph.com/issues/66867
* RBD: Moving an image that is a member of a group to trash is no longer
  allowed.  `rbd trash mv` command now behaves the same way as `rbd rm` in this
  scenario.
* MGR: MGR's always-on modules/plugins can now be force-disabled. This can be
  necessary in cases where MGR(s) needs to be prevented from being flooded by
  the module commands when corresponding Ceph service is down/degraded.
* RGW: An authentication bypass vulnerability in STS
  [CVE-2023-43040] has been fixed.
* RGW: S3 policy now enforces ARN-based conditionals.
* RGW: Copying an object to itself no longer causes data
  loss. Potential corruption on ETIMEDOUT (not enabled by default),
  was also fixed.

Getting Ceph
------------
* Git at git://github.com/ceph/ceph.git
* Tarball at https://download.ceph.com/tarballs/ceph-19.2.3.tar.gz
* Containers at https://quay.io/repository/ceph/ceph
* For packages, see https://docs.ceph.com/en/latest/install/get-packages/
* Release git sha1: c92aebb279828e9c3c1f5d24613efca272649e62
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