vulnerability
Ubuntu: USN-7224-1 (CVE-2021-33582): Cyrus IMAP Server vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Sep 1, 2021 | Jan 24, 2025 | Aug 18, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Sep 1, 2021
Added
Jan 24, 2025
Modified
Aug 18, 2025
Description
Cyrus IMAP before 3.4.2 allows remote attackers to cause a denial of service (multiple-minute daemon hang) via input that is mishandled during hash-table interaction. Because there are many insertions into a single bucket, strcmp becomes slow. This is fixed in 3.4.2, 3.2.8, and 3.0.16.
Solutions
ubuntu-pro-upgrade-cyrus-caldavubuntu-pro-upgrade-cyrus-clientsubuntu-pro-upgrade-cyrus-commonubuntu-pro-upgrade-cyrus-devubuntu-pro-upgrade-cyrus-imapdubuntu-pro-upgrade-cyrus-murderubuntu-pro-upgrade-cyrus-nntpdubuntu-pro-upgrade-cyrus-pop3dubuntu-pro-upgrade-cyrus-replicationubuntu-pro-upgrade-libcyrus-imap-perl
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