Red Hat Security Advisory: glib2 security update
This advisory addresses two vulnerabilities in the GLib library used by Red Hat Enterprise Linux 9. 4 and related products. The first vulnerability (CVE-2024-52533) is a buffer overflow in the set_connect_msg() function. The second (CVE-2025-4373) is a buffer underflow in the g_string_insert_unichar function within glib/gstring. c. Both issues could potentially lead to memory corruption. Red Hat has released updates to fix these vulnerabilities in the glib2 package for affected versions. The security impact is rated as moderate by Red Hat. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
GLib, a core library for C applications including GNOME, contained two memory corruption vulnerabilities: a buffer overflow in set_connect_msg() (CVE-2024-52533) and a buffer underflow in g_string_insert_unichar (CVE-2025-4373). These flaws could lead to unexpected behavior or crashes in applications using these functions. Red Hat Enterprise Linux 9.4 Extended Update Support and related CodeReady Linux Builder versions are affected. Red Hat has issued a security advisory (RHSA-2025:11374) with updated glib2 packages that address these vulnerabilities. The advisory rates the severity as moderate and provides instructions for applying the updates.
Potential Impact
The vulnerabilities involve memory corruption (buffer overflow and underflow) in GLib functions, which could cause application crashes or potentially allow attackers to execute arbitrary code if exploited. However, Red Hat rates the overall security impact as moderate. There are no reports of active exploitation in the wild. The affected products include multiple architectures and variants of Red Hat Enterprise Linux 9.4 and CodeReady Linux Builder.
Mitigation Recommendations
Red Hat has released updated glib2 packages that fix these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.4 Extended Update Support and related products should apply the security updates as detailed in Red Hat advisory RHSA-2025:11374 and the referenced article https://access.redhat.com/articles/11258. Applying these official patches is the recommended remediation. No additional mitigation steps are indicated by the vendor advisory.
Red Hat Security Advisory: glib2 security update
Description
This advisory addresses two vulnerabilities in the GLib library used by Red Hat Enterprise Linux 9. 4 and related products. The first vulnerability (CVE-2024-52533) is a buffer overflow in the set_connect_msg() function. The second (CVE-2025-4373) is a buffer underflow in the g_string_insert_unichar function within glib/gstring. c. Both issues could potentially lead to memory corruption. Red Hat has released updates to fix these vulnerabilities in the glib2 package for affected versions. The security impact is rated as moderate by Red Hat. No known exploits are reported in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
GLib, a core library for C applications including GNOME, contained two memory corruption vulnerabilities: a buffer overflow in set_connect_msg() (CVE-2024-52533) and a buffer underflow in g_string_insert_unichar (CVE-2025-4373). These flaws could lead to unexpected behavior or crashes in applications using these functions. Red Hat Enterprise Linux 9.4 Extended Update Support and related CodeReady Linux Builder versions are affected. Red Hat has issued a security advisory (RHSA-2025:11374) with updated glib2 packages that address these vulnerabilities. The advisory rates the severity as moderate and provides instructions for applying the updates.
Potential Impact
The vulnerabilities involve memory corruption (buffer overflow and underflow) in GLib functions, which could cause application crashes or potentially allow attackers to execute arbitrary code if exploited. However, Red Hat rates the overall security impact as moderate. There are no reports of active exploitation in the wild. The affected products include multiple architectures and variants of Red Hat Enterprise Linux 9.4 and CodeReady Linux Builder.
Mitigation Recommendations
Red Hat has released updated glib2 packages that fix these vulnerabilities. Users of affected Red Hat Enterprise Linux 9.4 Extended Update Support and related products should apply the security updates as detailed in Red Hat advisory RHSA-2025:11374 and the referenced article https://access.redhat.com/articles/11258. Applying these official patches is the recommended remediation. No additional mitigation steps are indicated by the vendor advisory.
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"]
- Cvss Version
- null
Threat ID: 6a1f4e88e29bf47b50082750
Added to database: 6/2/2026, 9:43:36 PM
Last enriched: 6/2/2026, 10:14:57 PM
Last updated: 6/3/2026, 5:06:35 AM
Views: 2
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