USN-4839-1

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    USN-4839-1

    Published: 15 Mar 2021Last Modified: 29 Jun 2026

    Summary: python-gnupg vulnerabilities

    Details: Marcus Brinkmann discovered that python-gnupg improperly handled certain command line parameters. A remote attacker could use this to spoof the output of python-gnupg and cause unsigned e-mail to appear signed. (CVE-2018-12020) It was discovered that python-gnupg incorrectly handled the GPG passphrase. A remote attacker could send a specially crafted passphrase that would allow them to control the output of encryption and decryption operations. (CVE-2019-6690)

    References: https://ubuntu.com/security/notices/USN-4839-1, https://ubuntu.com/security/CVE-2018-12020, https://ubuntu.com/security/CVE-2019-6690

    Affected packages

    Package

    Name: python-gnupg

    Purl: pkg:deb/ubuntu/python-gnupg?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.3.6-1ubuntu0.1~esm1

    Affected versions

    0.3.5-2
    0.3.6-1

    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-4839-1 | CVE-DB