USN-4759-1

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    USN-4759-1

    Published: 8 Mar 2021Last Modified: 27 Apr 2026

    Summary: glib2.0 vulnerabilities

    Details: Krzesimir Nowak discovered that GLib incorrectly handled certain large buffers. A remote attacker could use this issue to cause applications linked to GLib to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-27218) Kevin Backhouse discovered that GLib incorrectly handled certain memory allocations. A remote attacker could use this issue to cause applications linked to GLib to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-27219)

    References: https://ubuntu.com/security/notices/USN-4759-1, https://ubuntu.com/security/CVE-2021-27218, https://ubuntu.com/security/CVE-2021-27219

    Affected packages

    Package

    Name: glib2.0

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.48.2-0ubuntu4.7

    Affected versions

    2.46.1-1
    2.46.1-2

    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-4759-1 | CVE-DB