USN-4268-1

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    USN-4268-1

    Published: 5 Feb 2020Last Modified: 10 Feb 2026

    Summary: OpenSMTPD vulnerability

    Details: It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could use this vulnerability to execute arbitrary commands as root.

    References: https://ubuntu.com/security/notices/USN-4268-1, https://ubuntu.com/security/CVE-2020-7247

    Affected packages

    Package

    Name: opensmtpd

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -6.0.3p1-1ubuntu0.1

    Affected versions

    6.0.2p1-2build1
    6.0.3p1-1
    6.0.3p1-1build1

    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-4268-1 | CVE-DB