# Cyrus IMAP 2.5.4 Release Notes

Important

This is a bug-fix release in the stable 2.5 series.

Refer to the Cyrus IMAP 2.5.0 Release Notes for important information about the 2.5 series, including upgrading instructions.

Download from GitHub:

> - https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-2.5.4/cyrus-imapd-2.5.4.tar.gz

> - https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-2.5.4/cyrus-imapd-2.5.4.tar.gz.sig

## Changes Since 2.5.3

### Bug fixes

- Security fix: handle urlfetch range starting outside message range

- Fixed bug: better error messages when reading corrupted twoskip databases

- Fixed bug: treat autocreate_quota_messages:0 as unlimited

- Fixed task 203: make autocreate_quota:0 work as documented