Red Hat Security Advisory: glib2 security update
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: 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.
AI Analysis
Technical Summary
This advisory covers two security vulnerabilities in the GLib library used in Red Hat Enterprise Linux 9 and related distributions. CVE-2024-52533 is a buffer overflow vulnerability in the set_connect_msg() function, and CVE-2025-4373 is a buffer underflow vulnerability in the g_string_insert_unichar function within glib/gstring.c. Both vulnerabilities stem from improper memory handling in GLib's core utility functions. The issues could potentially lead to memory corruption. Red Hat has released updated glib2 packages to address these vulnerabilities.
Potential Impact
The vulnerabilities involve memory corruption issues (buffer overflow and underflow) in GLib, which could affect applications relying on this library. The advisory rates the impact as moderate. There are no known exploits in the wild at this time. The vulnerabilities could potentially lead to application crashes or other unintended behavior if exploited.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 9 and related variants to fix these vulnerabilities. Users should apply the available security updates as detailed in the Red Hat advisory RHSA-2025:11140. For update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are specified or required beyond applying the official patches.
Red Hat Security Advisory: glib2 security update
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): * 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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two security vulnerabilities in the GLib library used in Red Hat Enterprise Linux 9 and related distributions. CVE-2024-52533 is a buffer overflow vulnerability in the set_connect_msg() function, and CVE-2025-4373 is a buffer underflow vulnerability in the g_string_insert_unichar function within glib/gstring.c. Both vulnerabilities stem from improper memory handling in GLib's core utility functions. The issues could potentially lead to memory corruption. Red Hat has released updated glib2 packages to address these vulnerabilities.
Potential Impact
The vulnerabilities involve memory corruption issues (buffer overflow and underflow) in GLib, which could affect applications relying on this library. The advisory rates the impact as moderate. There are no known exploits in the wild at this time. The vulnerabilities could potentially lead to application crashes or other unintended behavior if exploited.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 9 and related variants to fix these vulnerabilities. Users should apply the available security updates as detailed in the Red Hat advisory RHSA-2025:11140. For update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are specified or required beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:11140
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-4373"]
Threat ID: 6a1f4e88e29bf47b5008288b
Added to database: 06/02/2026, 21:43:36 UTC
Last enriched: 08/17/2026, 21:59:29 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 74
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