UBUNTU-CVE-2014-8602

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    UBUNTU-CVE-2014-8602

    Published: 10 Dec 2014Last Modified: 22 Apr 2026
    Upstream:
    CVE-2014-8602
    Aliases:
    USN-2484-1

    Summary:

    Details: iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.

    References: https://ubuntu.com/security/CVE-2014-8602, http://www.unbound.net/pipermail/unbound-users/2014-December/003662.html, https://unbound.net/downloads/CVE-2014-8602.txt, http://unbound.net/downloads/patch_cve_2014_8602.diff, https://ubuntu.com/security/notices/USN-2484-1, https://www.cve.org/CVERecord?id=CVE-2014-8602

    Affected packages

    Package

    Name: unbound

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.4.22-1ubuntu4.14.04.1

    Affected versions

    1.4.20-1
    1.4.21-1
    1.4.21-1ubuntu1
    1.4.21-1ubuntu2
    1.4.22-1ubuntu1
    1.4.22-1ubuntu2
    1.4.22-1ubuntu3
    1.4.22-1ubuntu4

    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