USN-3068-1

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    USN-3068-1

    Published: 24 Aug 2016Last Modified: 22 Apr 2026

    Summary: libidn vulnerabilities

    Details: Thijs Alkemade, Gustavo Grieco, Daniel Stenberg, and Nikos Mavrogiannopoulos discovered that Libidn incorrectly handled invalid UTF-8 characters. A remote attacker could use this issue to cause Libidn to crash, resulting in a denial of service, or possibly disclose sensitive memory. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-2059) Hanno Böck discovered that Libidn incorrectly handled certain input. A remote attacker could possibly use this issue to cause Libidn to crash, resulting in a denial of service. (CVE-2015-8948, CVE-2016-6262, CVE-2016-6261, CVE-2016-6263)

    References: https://ubuntu.com/security/notices/USN-3068-1, https://ubuntu.com/security/CVE-2015-2059, https://ubuntu.com/security/CVE-2015-8948, https://ubuntu.com/security/CVE-2016-6261, https://ubuntu.com/security/CVE-2016-6262, https://ubuntu.com/security/CVE-2016-6263

    Affected packages

    Package

    Name: libidn

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.28-1ubuntu2.1

    Affected versions

    1.28-1ubuntu1

    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