USN-6736-1

    Dashboard / Vulnerabilities / USN-6736-1

    USN-6736-1

    Published: 16 Apr 2024Last Modified: 29 Jun 2026

    Summary: klibc vulnerabilities

    Details: It was discovered that zlib, vendored in klibc, incorrectly handled pointer arithmetic. An attacker could use this issue to cause klibc to crash or to possibly execute arbitrary code. (CVE-2016-9840, CVE-2016-9841) Danilo Ramos discovered that zlib, vendored in klibc, incorrectly handled memory when performing certain deflating operations. An attacker could use this issue to cause klibc to crash or to possibly execute arbitrary code. (CVE-2018-25032) Evgeny Legerov discovered that zlib, vendored in klibc, incorrectly handled memory when performing certain inflate operations. An attacker could use this issue to cause klibc to crash or to possibly execute arbitrary code. (CVE-2022-37434)

    References: https://ubuntu.com/security/notices/USN-6736-1, https://ubuntu.com/security/CVE-2016-9840, https://ubuntu.com/security/CVE-2016-9841, https://ubuntu.com/security/CVE-2018-25032, https://ubuntu.com/security/CVE-2022-37434

    Affected packages

    Package

    Name: klibc

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.0.3-0ubuntu1.14.04.3+esm3

    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

    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-6736-1 | CVE-DB