7.5
CWE
681 190
Advisory Published
CVE Published
Updated

CVE-2021-27218: Integer Overflow

First published: Wed Feb 10 2021(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/mingw-glib2<0:2.66.7-2.el8
0:2.66.7-2.el8
redhat/glib2<0:2.56.4-10.el8_4.1
0:2.56.4-10.el8_4.1
redhat/glib<2.66.7
2.66.7
redhat/glib<2.67.4
2.67.4
GNOME GLib<2.66.7
GNOME GLib>=2.67.0<2.67.4
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Netapp Active Iq Unified Manager Vmware Vsphere
Netapp Cloud Backup
Netapp E-series Performance Analyzer
Broadcom Brocade Fabric Operating System Firmware
Debian Debian Linux=9.0
IBM Security Verify Access<=10.0.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-27218?

    CVE-2021-27218 is a vulnerability in GNOME GLib that allows for denial of service attacks due to unintended length truncation.

  • What is the severity of CVE-2021-27218?

    CVE-2021-27218 has a severity level of high.

  • How does CVE-2021-27218 affect GNOME GLib?

    CVE-2021-27218 affects GNOME GLib versions before 2.66.7 and 2.67.x before 2.67.4.

  • What is the remedy for CVE-2021-27218?

    The remedy for CVE-2021-27218 is to update affected software to versions 2.66.7 or 2.67.4.

  • Is IBM QRadar SIEM affected by CVE-2021-27218?

    Yes, IBM QRadar SIEM versions 7.5.0 GA, 7.4.3 GA - 7.4.3 FP4, and 7.3.3 GA - 7.3.3 FP10 are affected by CVE-2021-27218.

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