RHSA-2025:14988 - Security Advisory

Topic

An update for glib2 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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):

• glib2: Signal subscription vulnerabilities (CVE-2024-34397)
• glib: buffer overflow in set_connect_msg() (CVE-2024-52533)
• glib: Buffer Underflow on GLib through glib/gstring.c via function g_string_insert_unichar (CVE-2025-4373)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life 8.6 x86_64
• Red Hat Enterprise Linux Server - AUS 8.6 x86_64
• Red Hat Enterprise Linux Server - TUS 8.6 x86_64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle Long Life 8.6 aarch64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle Long Life 8.6 ppc64le
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle Long Life 8.6 s390x

Fixes

• BZ - 2279632 - CVE-2024-34397 glib2: Signal subscription vulnerabilities
• BZ - 2325340 - CVE-2024-52533 glib: buffer overflow in set_connect_msg()
• BZ - 2364265 - CVE-2025-4373 glib: Buffer Underflow on GLib through glib/gstring.c via function g_string_insert_unichar

CVEs

• CVE-2024-34397
• CVE-2024-52533
• CVE-2025-4373

References

• https://access.redhat.com/security/updates/classification/#moderate