USN-6541-1

    Dashboard / Vulnerabilities / USN-6541-1

    USN-6541-1

    Published: 7 Dec 2023Last Modified: 25 Jun 2026

    Summary: glibc vulnerabilities

    Details: It was discovered that the GNU C Library was not properly handling certain memory operations. An attacker could possibly use this issue to cause a denial of service (application crash). (CVE-2023-4806, CVE-2023-4813) It was discovered that the GNU C library was not properly implementing a fix for CVE-2023-4806 in certain cases, which could lead to a memory leak. An attacker could possibly use this issue to cause a denial of service (application crash). This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-5156)

    References: https://ubuntu.com/security/notices/USN-6541-1, https://ubuntu.com/security/CVE-2023-4806, https://ubuntu.com/security/CVE-2023-4813, https://ubuntu.com/security/CVE-2023-5156

    Affected packages

    Package

    Name: glibc

    Purl: pkg:deb/ubuntu/glibc?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.23-0ubuntu11.3+esm5

    Affected versions

    2.21-0ubuntu4

    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-6541-1 | CVE-DB