RLSA-2021:3492

    Dashboard / Vulnerabilities / RLSA-2021:3492

    RLSA-2021:3492

    Published: 13 Sept 2021Last Modified: 5 Feb 2026
    Upstream:
    CVE-2021-33582

    Summary: Important: cyrus-imapd security update

    Details: The Cyrus IMAP server provides access to personal mail, system-wide bulletin boards, news-feeds, calendar and contacts through the IMAP, JMAP, NNTP, CalDAV and CardDAV protocols. Security Fix(es): * cyrus-imapd: Denial of service via string hashing algorithm collisions (CVE-2021-33582) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    References: https://errata.rockylinux.org/RLSA-2021:3492, https://bugzilla.redhat.com/show_bug.cgi?id=1993232

    Affected packages

    Package

    Name: cyrus-imapd

    Purl: pkg:rpm/rocky-linux/cyrus-imapd?distro=rocky-linux-8-4-legacy&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:3.0.7-20.el8_4.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    RLSA-2021:3492 | CVE-DB