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 8.8. CVE-2024-34397 relates to 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 fundamental library providing core application building blocks for C applications, including the GNOME object system and utility functions. The advisory references updated glib2 packages that fix these issues.
Potential Impact
The vulnerabilities could lead to memory corruption issues such as buffer overflow and underflow, potentially impacting applications relying on GLib. The advisory rates the security impact as Moderate. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 8.8 that address these vulnerabilities. Users should apply the provided security update as detailed in the Red Hat advisory RHSA-2025:14989 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
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 8.8. CVE-2024-34397 relates to 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 fundamental library providing core application building blocks for C applications, including the GNOME object system and utility functions. The advisory references updated glib2 packages that fix these issues.
Potential Impact
The vulnerabilities could lead to memory corruption issues such as buffer overflow and underflow, potentially impacting applications relying on GLib. The advisory rates the security impact as Moderate. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 8.8 that address these vulnerabilities. Users should apply the provided security update as detailed in the Red Hat advisory RHSA-2025:14989 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:14989
- Cve Count
- 3
- Additional Cves
- ["CVE-2024-52533","CVE-2025-4373"]
Threat ID: 6a1f4e87e29bf47b50081b91
Added to database: 06/02/2026, 21:43:36 UTC
Last enriched: 08/17/2026, 21:58:50 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 71
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