USN-7959-1

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    USN-7959-1

    Published: 14 Jan 2026Last Modified: 25 Jun 2026

    Summary: klibc vulnerabilities

    Details: It was discovered that zlib, vendored in klibc, did not properly handle integer arithmetic. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service.

    References: https://ubuntu.com/security/notices/USN-7959-1, https://ubuntu.com/security/CVE-2016-9843

    Affected packages

    Package

    Name: klibc

    Purl: pkg:deb/ubuntu/klibc?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.0.3-0ubuntu1.14.04.3+esm4

    Affected versions

    2.0.1-3.1ubuntu2
    2.0.2-1ubuntu1
    2.0.2-1ubuntu2
    2.0.3-0ubuntu1
    2.0.3-0ubuntu1.14.04.1
    2.0.3-0ubuntu1.14.04.2
    2.0.3-0ubuntu1.14.04.3
    2.0.3-0ubuntu1.14.04.3+esm2
    2.0.3-0ubuntu1.14.04.3+esm3

    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-7959-1 | CVE-DB