ALSA-2021:1887

    Dashboard / Vulnerabilities / ALSA-2021:1887

    ALSA-2021:1887

    Published: 18 May 2021Last Modified: 4 Feb 2026

    Summary: Moderate: dovecot security and bug fix update

    Details: Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. Security Fix(es): * dovecot: IMAP hibernation function allows mail access (CVE-2020-24386) * dovecot: Denial of service via mail MIME parsing (CVE-2020-25275) 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. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

    References: https://vulners.com/cve/CVE-2020-24386, https://vulners.com/cve/CVE-2020-25275

    Affected packages

    Package

    Name: dovecot

    Purl: pkg:rpm/almalinux/dovecot

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:2.3.8-9.el8

    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
    ALSA-2021:1887 | CVE-DB