USN-4674-2

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    USN-4674-2

    Published: 4 Jan 2021Last Modified: 22 Apr 2026

    Summary: dovecot vulnerability

    Details: USN-4674-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Innokentii Sennovskiy discovered that Dovecot incorrectly handled MIME parsing. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service. (CVE-2020-25275)

    References: https://ubuntu.com/security/notices/USN-4674-2, https://ubuntu.com/security/CVE-2020-25275

    Affected packages

    Package

    Name: dovecot

    Purl: pkg:deb/ubuntu/dovecot@1:2.2.9-1ubuntu2.6+esm4?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:2.2.9-1ubuntu2.6+esm4

    Affected versions

    1:2.1.7-7ubuntu3

    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
    USN-4674-2 | CVE-DB