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 Software | Affected Version | How 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
- https://www.cve.org/CVERecord?id=CVE-2021-27218 https://nvd.nist.gov/vuln/detail/CVE-2021-27218
- https://bugzilla.redhat.com/show_bug.cgi?id=1929847
- https://access.redhat.com/errata/RHSA-2021:4526
- https://access.redhat.com/errata/RHSA-2021:3058
- https://access.redhat.com/security/cve/cve-2021-27218
- https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1942
- https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1944
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1929851
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1929848
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1929849
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1929850
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2022/06/msg00006.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2REA7RVKN7ZHRLJOEGBRQKJIPZQPAELZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JJMPNDO4GDVURYQFYKFOWY5HAF4FTEPN/
- https://security.gentoo.org/glsa/202107-13
- https://security.netapp.com/advisory/ntap-20210319-0004/
- 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.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://exchange.xforce.ibmcloud.com/vulnerabilities/196784
- https://www.ibm.com/support/pages/node/6538418 (Advisory)
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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