CVE-2021-27219

    Dashboard / Vulnerabilities / CVE-2021-27219

    CVE-2021-27219

    Published: 15 Feb 2021Last Modified: 16 Oct 2026

    Summary:

    Details: An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption.

    References: https://cert-portal.siemens.com/productcert/html/ssa-398330.html, 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/-/issues/2319

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -d5ec4f360fb5a2ef0df1862999f970dc67fa352c

    Affected versions

    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-2021-27219 | CVE-DB