USN-2728-1

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    USN-2728-1

    Published: 2 Sept 2015Last Modified: 22 Apr 2026

    Summary: bind9 vulnerability

    Details: Hanno Böck discovered that Bind incorrectly handled certain malformed keys when configured to perform DNSSEC validation. A remote attacker could use this issue with specially crafted zone data to cause Bind to crash, resulting in a denial of service.

    References: https://ubuntu.com/security/notices/USN-2728-1, https://ubuntu.com/security/CVE-2015-5722

    Affected packages

    Package

    Name: bind9

    Purl: pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.5?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:9.9.5.dfsg-3ubuntu0.5

    Affected versions

    1:9.9.3.dfsg.P2-4ubuntu1
    1:9.9.3.dfsg.P2-4ubuntu2
    1:9.9.3.dfsg.P2-4ubuntu3
    1:9.9.5.dfsg-2
    1:9.9.5.dfsg-3
    1:9.9.5.dfsg-3ubuntu0.1
    1:9.9.5.dfsg-3ubuntu0.2
    1:9.9.5.dfsg-3ubuntu0.3
    1:9.9.5.dfsg-3ubuntu0.4

    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