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Fedora Update Notification
FEDORA-2022-d45bcc5447
2022-02-20 00:40:47.283973
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Name        : cyrus-imapd
Product     : Fedora 34
Version     : 3.2.8
Release     : 2.fc34
URL         : https://www.cyrusimap.org/
Summary     : A high-performance email, contacts and calendar server
Description :
The Cyrus IMAP (Internet Message Access Protocol) server provides access to
personal mail, system-wide bulletin boards, news-feeds, calendar and contacts
through the IMAP, JMAP, NNTP, CalDAV and CardDAV protocols. The Cyrus IMAP
server is a scalable enterprise groupware system designed for use from small to
large enterprise environments using technologies based on well-established Open
Standards.

A full Cyrus IMAP implementation allows a seamless mail and bulletin board
environment to be set up across one or more nodes. It differs from other IMAP
server implementations in that it is run on sealed nodes, where users are not
normally permitted to log in. The mailbox database is stored in parts of the
filesystem that are private to the Cyrus IMAP system. All user access to mail
is through software using the IMAP, IMAPS, JMAP, POP3, POP3S, KPOP, CalDAV
and/or CardDAV protocols.

The private mailbox database design gives the Cyrus IMAP server large
advantages in efficiency, scalability, and administratability. Multiple
concurrent read/write connections to the same mailbox are permitted. The server
supports access control lists on mailboxes and storage quotas on mailbox
hierarchies.

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Update Information:

New version 3.2.8 Security fix for CVE-2021-33582 Security fix for
CVE-2021-32056
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ChangeLog:

* Thu Feb 10 2022 Martin Osvald  - 3.2.8-1
- New version 3.2.8
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References:

  [ 1 ] Bug #1959138 - CVE-2021-32056 cyrus-imapd: remote authenticated users could bypass intended access restrictions on certain server annotations
        https://bugzilla.redhat.com/show_bug.cgi?id=1959138
  [ 2 ] Bug #1993232 - CVE-2021-33582 cyrus-imapd: Denial of service via string hashing algorithm collisions
        https://bugzilla.redhat.com/show_bug.cgi?id=1993232
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2022-d45bcc5447' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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