UBUNTU-CVE-2018-16843

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    UBUNTU-CVE-2018-16843

    Published: 6 Nov 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-16843
    Aliases:
    USN-3812-1

    Summary:

    Details: nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.

    References: https://ubuntu.com/security/CVE-2018-16843, http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html, https://ubuntu.com/security/notices/USN-3812-1, https://www.cve.org/CVERecord?id=CVE-2018-16843

    Affected packages

    Package

    Name: nginx

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.10.3-0ubuntu0.16.04.3

    Affected versions

    1.9.3-1ubuntu1
    1.9.6-2ubuntu1
    1.9.6-2ubuntu2
    1.9.9-0ubuntu1
    1.9.9-1ubuntu1
    1.9.10-0ubuntu1
    1.9.10-1ubuntu1
    1.9.11-0ubuntu1
    1.9.11-0ubuntu2
    1.9.12-0ubuntu1
    1.9.13-0ubuntu1
    1.9.14-0ubuntu1
    1.9.15-0ubuntu1

    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