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ETCD security update available for Percona Distribution for PostgreSQL

We have updated the etcd packages to version 3.5.29 across all released versions in the Q1 minor update of Percona Distribution for PostgreSQL to address recently disclosed security vulnerabilities.

What changed

etcd is upgraded to version 3.5.29 and and is available in the following Percona PostgreSQL repositories:

  • ppg-14
  • ppg-15
  • ppg-16
  • ppg-17
  • ppg-18

The packages are now available in repo.percona.com/ppg-X, where X is the repository version number.

Addressed vulnerabilities

This update fixes the following issues in etcd:

  • CVE-2026-33413 – Authorization bypass in multiple APIs
  • CVE-2026-33343 – RBAC bypass via nested transactions

What you should do

Update etcd packages from the Percona repository. Recommendation:

  • Update immediately if your deployment is exposed.
  • Otherwise, update during your next maintenance window.

Update scope

This update applies to repository packages only. etcd tarball updates will be included in upcoming releases.

For full technical details, see the upstream etcd announcement.