USN-4645-1

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    USN-4645-1

    Published: 25 Nov 2020Last Modified: 10 Feb 2026

    Summary: mutt vulnerability

    Details: It was discovered that Mutt incorrectly handled certain connections. An attacker could possibly use this issue to expose sensitive information.

    References: https://ubuntu.com/security/notices/USN-4645-1, https://ubuntu.com/security/CVE-2020-28896

    Affected packages

    Package

    Name: mutt

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.5.24-1ubuntu0.5

    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
    1.5.24-1ubuntu0.4

    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-4645-1 | CVE-DB