USN-5008-2

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    USN-5008-2

    Published: 7 Jul 2021Last Modified: 29 Jun 2026

    Summary: avahi vulnerability

    Details: USN-5008-1 fixed a vulnerability in avahi. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Thomas Kremer discovered that Avahi incorrectly handled termination signals on the Unix socket. A local attacker could possibly use this issue to cause Avahi to hang, resulting in a denial of service.

    References: https://ubuntu.com/security/notices/USN-5008-2, https://ubuntu.com/security/CVE-2021-3468

    Affected packages

    Package

    Name: avahi

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.6.31-4ubuntu1.3+esm1

    Affected versions

    0.6.31-2ubuntu4
    0.6.31-2ubuntu5
    0.6.31-3ubuntu1
    0.6.31-4ubuntu1
    0.6.31-4ubuntu1.1
    0.6.31-4ubuntu1.2
    0.6.31-4ubuntu1.3

    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-5008-2 | CVE-DB