RHSA-2026:19523: Moderate: glib2 security update

Published May 20, 2026
·
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: GLib: Buffer underflow in GVariant parser leads to heap corruption (CVE-2025-14087) glib: Integer Overflow in GLib GIO Attribute Escaping Causes Heap Buffer Overflow (CVE-2025-14512) 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

29 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
redhat/glib2<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-debugsource<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-debugsource<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-devel<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-devel<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-devel-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-devel-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-fam<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-fam-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-fam-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-tests<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-tests-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-tests-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-debugsource<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-devel<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-devel-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-fam<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-fam-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-tests<2.56.4-165.el8_8
2.56.4-165.el8_8
redhat/glib2-tests-debuginfo<2.56.4-165.el8_8
2.56.4-165.el8_8

Remediation

Event History

May 20, 2026
Advisory Published
via Red Hat·04:23 AM
Data Sourced
via Red Hat·04:23 AM
DescriptionSeverityAffected Software
May 23, 2026
Advisory Published
via Red Hat·04:34 AM
Data Sourced
via Red Hat·04:34 AM
Remedy

Frequently Asked Questions

1

What is the severity of RHSA-2026:19523?

The severity of RHSA-2026:19523 is medium, rated at 4.

2

How do I fix RHSA-2026:19523?

To fix RHSA-2026:19523, update to the latest version of glib2 as provided in the security advisory.

3

What vulnerabilities does RHSA-2026:19523 address?

RHSA-2026:19523 addresses vulnerabilities related to Buffer Overflow and Integer Overflow in GLib.

4

What impact does RHSA-2026:19523 have on applications?

The impact of RHSA-2026:19523 may include potential application instability or security risks due to the GLib buffer underflow.

5

Who is affected by RHSA-2026:19523?

RHSA-2026:19523 affects systems that utilize GLib in their applications, especially those written in C.

Contact

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