USN-3809-2

    Dashboard / Vulnerabilities / USN-3809-2

    USN-3809-2

    Published: 12 Aug 2021Last Modified: 10 Feb 2026

    Summary: openssh regression

    Details: USN-3809-1 fixed vulnerabilities in OpenSSH. The update for CVE-2018-15473 was incomplete and could introduce a regression in certain environments. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Robert Swiecki discovered that OpenSSH incorrectly handled certain messages. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-10708) It was discovered that OpenSSH incorrectly handled certain requests. An attacker could possibly use this issue to access sensitive information. (CVE-2018-15473)

    References: https://ubuntu.com/security/notices/USN-3809-2, https://launchpad.net/bugs/1934501

    Affected packages

    Package

    Name: openssh

    Purl: pkg:deb/ubuntu/openssh@1:7.6p1-4ubuntu0.5?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:7.6p1-4ubuntu0.5

    Affected versions

    1:7.5p1-10

    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-3809-2 | CVE-DB