RHSA-2026:19524: 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

30 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - AUS
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<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-debugsource<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-debugsource<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-devel<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-devel<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-devel-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-devel-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-fam<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-fam-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-fam-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-tests<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-tests-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-tests-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-debugsource<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-devel<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-devel-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-fam<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-fam-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-tests<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5
redhat/glib2-tests-debuginfo<2.56.4-158.el8_6.5
2.56.4-158.el8_6.5

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 24, 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-2026:19524?

The severity of RHSA-2026:19524 is medium, rated at 4.

2

What does RHSA-2026:19524 address?

RHSA-2026:19524 addresses a security vulnerability related to buffer underflow in the GLib library.

3

How do I fix RHSA-2026:19524?

To fix RHSA-2026:19524, update to the fixed version of GLib provided in the security update.

4

Which software packages are affected by RHSA-2026:19524?

The affected software packages include redhat/glib2 and its associated debug and development packages.

5

What types of vulnerabilities are associated with RHSA-2026:19524?

RHSA-2026:19524 is associated with vulnerabilities classified as Buffer Overflow and Integer Overflow.

Contact

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