UBUNTU-CVE-2021-27218

    Dashboard / Vulnerabilities / UBUNTU-CVE-2021-27218

    UBUNTU-CVE-2021-27218

    Published: 15 Feb 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-27218
    Aliases:
    USN-4759-1

    Summary:

    Details: An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2**32, causing unintended length truncation.

    References: https://ubuntu.com/security/CVE-2021-27218, https://ubuntu.com/security/notices/USN-4759-1, https://www.cve.org/CVERecord?id=CVE-2021-27218

    Affected packages

    Package

    Name: glib2.0

    Purl: pkg:deb/ubuntu/[email protected]+esm7?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.38.0-1ubuntu1
    2.38.1-1

    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
    UBUNTU-CVE-2021-27218 | CVE-DB