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 core application building blocks for C libraries and applications including GNOME, has two security flaws: 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-2025:10855) and released updated packages for Red Hat Enterprise Linux 10 to remediate these issues.
Potential Impact
The vulnerabilities involve memory corruption (buffer overflow and buffer underflow) in GLib functions, which could lead to application crashes or potentially allow an attacker to execute arbitrary code if exploited. The security impact is rated as moderate by Red Hat Product Security. 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 10 that address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2025:10855 and the related update 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 core application building blocks for C libraries and applications including GNOME, has two security flaws: 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-2025:10855) and released updated packages for Red Hat Enterprise Linux 10 to remediate these issues.
Potential Impact
The vulnerabilities involve memory corruption (buffer overflow and buffer underflow) in GLib functions, which could lead to application crashes or potentially allow an attacker to execute arbitrary code if exploited. The security impact is rated as moderate by Red Hat Product Security. 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 10 that address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2025:10855 and the related update 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-2025:10855
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-4373"]
Threat ID: 6a1f4e89e29bf47b50082ad0
Added to database: 06/02/2026, 21:43:37 UTC
Last enriched: 08/17/2026, 21:59:35 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 95
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