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
The GLib library, which provides fundamental building blocks for C applications and GNOME, contains two vulnerabilities: a buffer overflow in set_connect_msg() (CVE-2024-52533) and a buffer underflow in g_string_insert_unichar (CVE-2025-4373). These vulnerabilities could potentially lead to memory corruption issues. Red Hat has issued a security advisory (RHSA-2025:11374) for Red Hat Enterprise Linux 9.4 Extended Update Support, providing updated glib2 packages to fix these issues. No CVSS scores are provided in the advisory, but the impact is rated moderate by Red Hat Product Security.
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 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 9.4 Extended Update Support that address these vulnerabilities. Users should apply the official Red Hat update as described in the advisory RHSA-2025:11374 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
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
The GLib library, which provides fundamental building blocks for C applications and GNOME, contains two vulnerabilities: a buffer overflow in set_connect_msg() (CVE-2024-52533) and a buffer underflow in g_string_insert_unichar (CVE-2025-4373). These vulnerabilities could potentially lead to memory corruption issues. Red Hat has issued a security advisory (RHSA-2025:11374) for Red Hat Enterprise Linux 9.4 Extended Update Support, providing updated glib2 packages to fix these issues. No CVSS scores are provided in the advisory, but the impact is rated moderate by Red Hat Product Security.
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 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 9.4 Extended Update Support that address these vulnerabilities. Users should apply the official Red Hat update as described in the advisory RHSA-2025:11374 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:11374
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-4373"]
Threat ID: 6a1f4e88e29bf47b50082750
Added to database: 06/02/2026, 21:43:36 UTC
Last enriched: 08/17/2026, 21:58:57 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 76
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