USN-5509-1: Dovecot vulnerability

11 July 2022

Dovecot could allow unintended access to network services.

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Releases

Packages

  • dovecot - IMAP and POP3 email server

Details

Julian Brook discovered that Dovecot incorrectly handled multiple passdb
configuration entries. In certain configurations, a remote attacker could
possibly use this issue to escalate privileges.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 22.04
Ubuntu 21.10
Ubuntu 20.04
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

References

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Further reading