USN-6166-2

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    USN-6166-2

    Published: 19 Jun 2023Last Modified: 29 Jun 2026

    Summary: libcap2 vulnerability

    Details: USN-6166-1 fixed a vulnerability in libcap2. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Original advisory details: Richard Weinberger discovered that libcap2 incorrectly handled certain long input strings. An attacker could use this issue to cause libcap2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-2603)

    References: https://ubuntu.com/security/notices/USN-6166-2, https://ubuntu.com/security/CVE-2023-2603

    Affected packages

    Package

    Name: libcap2

    Purl: pkg:deb/ubuntu/libcap2?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:2.24-0ubuntu2+esm1

    Affected versions

    1:2.22-1.2ubuntu2

    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
    USN-6166-2 | CVE-DB