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Dear subscribers, we're sharing our latest advisory with you and would like to thank everyone who contributed in finding and solving those vulnerabilities. Feel free to join our bug bounty programs (open-xchange, dovecot, powerdns) at HackerOne. Please find patches for v2.2.36 and v2.3.4 attached, or download new version from https://dovecot.org Yours sincerely, Aki Tuomi Open-Xchange Oy

...ind it from locations below: https://dovecot.org/releases/2.3/dovecot-2.3.10.tar.gz https://dovecot.org/releases/2.3/dovecot-2.3.10.tar.gz.sig Binary packages in https://repo.dovecot.org/ Docker images in https://hub.docker.com/r/dovecot/dovecot Aki Tuomi Open-Xchange oy --- * Disable retpoline migitations by default. These can cause severe ? performance regressions, so they should be only enabled when ? applicable. * IMAP MOVE now commits transactions in batches of 1000 mails. This ? helps especially with lazy_expunge when moving a lot of mails. It ? mainly avoids situations where multiple IMAP sess...

...ind it from locations below: https://dovecot.org/releases/2.3/dovecot-2.3.10.tar.gz https://dovecot.org/releases/2.3/dovecot-2.3.10.tar.gz.sig Binary packages in https://repo.dovecot.org/ Docker images in https://hub.docker.com/r/dovecot/dovecot Aki Tuomi Open-Xchange oy --- * Disable retpoline migitations by default. These can cause severe ? performance regressions, so they should be only enabled when ? applicable. * IMAP MOVE now commits transactions in batches of 1000 mails. This ? helps especially with lazy_expunge when moving a lot of mails. It ? mainly avoids situations where multiple IMAP sess...