USN-4403-1

    Dashboard / Vulnerabilities / USN-4403-1

    USN-4403-1

    Published: 24 Jun 2020Last Modified: 10 Feb 2026

    Summary: mutt vulnerability and regression

    Details: It was discovered that Mutt incorrectly handled certain requests. An attacker could possibly use this issue to enable MITM attacks. (CVE-2020-14954) This update also address a regression caused in the last update USN-4401-1. It only affected Ubuntu 12.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 19.10.

    References: https://ubuntu.com/security/notices/USN-4403-1, https://ubuntu.com/security/CVE-2020-14954, https://launchpad.net/bugs/1884588

    Affected packages

    Package

    Name: mutt

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.5.24-1ubuntu0.4

    Affected versions

    1.5.23-3.1ubuntu1
    1.5.23-3.1ubuntu2
    1.5.24-1
    1.5.24-1build1
    1.5.24-1ubuntu0.1
    1.5.24-1ubuntu0.2
    1.5.24-1ubuntu0.3

    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-4403-1 | CVE-DB