UBUNTU-CVE-2016-2518

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    UBUNTU-CVE-2016-2518

    Published: 29 Apr 2016Last Modified: 4 Feb 2026
    Upstream:
    CVE-2016-2518
    Aliases:
    USN-3096-1

    Summary:

    Details: The MATCH_ASSOC function in NTP before version 4.2.8p9 and 4.3.x before 4.3.92 allows remote attackers to cause an out-of-bounds reference via an addpeer request with a large hmode value.

    References: https://ubuntu.com/security/CVE-2016-2518, http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security, https://ubuntu.com/security/notices/USN-3096-1, https://www.cve.org/CVERecord?id=CVE-2016-2518

    Affected packages

    Package

    Name: ntp

    Purl: pkg:deb/ubuntu/ntp@1:4.2.6.p5+dfsg-3ubuntu2.14.04.10?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:4.2.6.p5+dfsg-3ubuntu2.14.04.10

    Affected versions

    1:4.2.6.p5+dfsg-3ubuntu2
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.1
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.2
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.3
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.6
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.7
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.8

    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