CVE-2021-27218

    Dashboard / Vulnerabilities / CVE-2021-27218

    CVE-2021-27218

    Published: 15 Feb 2021Last Modified: 16 Oct 2026

    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://cert-portal.siemens.com/productcert/html/ssa-398330.html, https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E, https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E, https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2REA7RVKN7ZHRLJOEGBRQKJIPZQPAELZ/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJMPNDO4GDVURYQFYKFOWY5HAF4FTEPN/, https://lists.debian.org/debian-lts-announce/2022/06/msg00006.html, https://security.gentoo.org/glsa/202107-13, https://security.netapp.com/advisory/ntap-20210319-0004/, https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1942, https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1944

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -95115f029d9c170c2e966cd7d3547b6394c92a4a

    Affected versions

    2.66.6
    2.66.5
    2.66.4
    2.66.3
    2.66.2
    2.66.1
    2.66.0

    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
    CVE-2021-27218 | CVE-DB