UBUNTU-CVE-2020-16126

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    UBUNTU-CVE-2020-16126

    Published: 3 Nov 2020Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-16126

    Summary:

    Details: An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, improperly dropped the ruid, allowing untrusted users to send signals to AccountService, thus stopping it from handling D-Bus messages in a timely fashion.

    References: https://ubuntu.com/security/CVE-2020-16126, https://ubuntu.com/security/notices/USN-4616-1, https://ubuntu.com/security/notices/USN-4616-2, https://www.cve.org/CVERecord?id=CVE-2020-16126

    Affected packages

    Package

    Name: accountsservice

    Purl: pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.6.35-0ubuntu7.3+esm2

    Affected versions

    0.6.34-0ubuntu6
    0.6.34-0ubuntu7
    0.6.35-0ubuntu1
    0.6.35-0ubuntu2
    0.6.35-0ubuntu3
    0.6.35-0ubuntu4
    0.6.35-0ubuntu5
    0.6.35-0ubuntu6
    0.6.35-0ubuntu7
    0.6.35-0ubuntu7.1
    0.6.35-0ubuntu7.2
    0.6.35-0ubuntu7.3

    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
    UBUNTU-CVE-2020-16126 | CVE-DB