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): * 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.
AI Analysis
Technical Summary
This advisory covers three security vulnerabilities in the glib2 library used in Red Hat Enterprise Linux 8.4. CVE-2024-34397 involves signal subscription vulnerabilities, CVE-2024-52533 is a buffer overflow in the set_connect_msg() function, and CVE-2025-4373 is a buffer underflow in the g_string_insert_unichar function within glib/gstring.c. GLib is a core library providing fundamental data structures and system components for applications written in C, including the GNOME desktop environment. The vulnerabilities could potentially lead to memory corruption issues. Red Hat has released updated glib2 packages to address these flaws.
Potential Impact
The vulnerabilities affect core GLib functionality, which is widely used by applications on Red Hat Enterprise Linux 8.4. Exploitation could lead to memory corruption such as buffer overflow or underflow, potentially causing application crashes or other unintended behavior. The advisory rates the overall security impact as Moderate. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 8.4 to fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2025:14990 to remediate the issues. Details on applying the update are available at https://access.redhat.com/articles/11258. No alternative mitigations or workarounds are specified.
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): * 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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers three security vulnerabilities in the glib2 library used in Red Hat Enterprise Linux 8.4. CVE-2024-34397 involves signal subscription vulnerabilities, CVE-2024-52533 is a buffer overflow in the set_connect_msg() function, and CVE-2025-4373 is a buffer underflow in the g_string_insert_unichar function within glib/gstring.c. GLib is a core library providing fundamental data structures and system components for applications written in C, including the GNOME desktop environment. The vulnerabilities could potentially lead to memory corruption issues. Red Hat has released updated glib2 packages to address these flaws.
Potential Impact
The vulnerabilities affect core GLib functionality, which is widely used by applications on Red Hat Enterprise Linux 8.4. Exploitation could lead to memory corruption such as buffer overflow or underflow, potentially causing application crashes or other unintended behavior. The advisory rates the overall security impact as Moderate. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 8.4 to fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2025:14990 to remediate the issues. Details on applying the update are available at https://access.redhat.com/articles/11258. No alternative mitigations or workarounds are specified.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:14990
- Cve Count
- 3
- Additional Cves
- ["CVE-2024-52533","CVE-2025-4373"]
Threat ID: 6a1f4e87e29bf47b50081b89
Added to database: 06/02/2026, 21:43:35 UTC
Last enriched: 08/17/2026, 21:58:38 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 81
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