RHSA-2021:3058: Moderate: glib2 security update

Published Aug 10, 2021
·
Updated

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.Security Fix(es): glib: integer overflow in gbytearraynewtake function when called with a buffer of 4GB or more on a 64-bit platform (CVE-2021-27218) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

41 affected componentsFixes available
redhat/glib2<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-debugsource<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-debugsource<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-devel<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-devel<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-devel-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-devel-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-fam<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-fam-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-fam-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-tests<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-tests-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-tests-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-fam<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-tests<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-debugsource<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-devel<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-devel-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-fam<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-fam-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-tests<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-tests-debuginfo<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa
redhat/glib2-debuginfo<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa
redhat/glib2-debugsource<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa
redhat/glib2-devel<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa
redhat/glib2-devel-debuginfo<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa
redhat/glib2-fam<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa
redhat/glib2-fam-debuginfo<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa
redhat/glib2-tests<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa
redhat/glib2-tests-debuginfo<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa
redhat/glib2-doc<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-static<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-static<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-static<2.56.4-10.el8_4.1
2.56.4-10.el8_4.1
redhat/glib2-static<2.56.4-10.el8_4.1.aa
2.56.4-10.el8_4.1.aa

Remediation

Event History

May 17, 2026
Advisory Published
via Red Hat·07:18 PM
Data Sourced
via Red Hat·07:18 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2021:3058?

The severity of RHSA-2021:3058 is classified as moderate.

2

How do I fix RHSA-2021:3058?

To fix RHSA-2021:3058, update the affected packages to version 2.56.4-10.el8_4.1 or later.

3

What packages are affected by RHSA-2021:3058?

Affected packages include glib2, glib2-devel, glib2-debuginfo, and glib2-debugsource.

4

Is RHSA-2021:3058 applicable to all architectures?

Yes, RHSA-2021:3058 affects multiple architectures including x86_64 and ppc64le.

5

What is the main purpose of the GLib library in relation to RHSA-2021:3058?

GLib provides core application building blocks and utility functions for libraries and applications written in C.

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