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 8.6. The first is a signal subscription vulnerability (CVE-2024-34397), the second a buffer overflow in the set_connect_msg() function (CVE-2024-52533), and the third a buffer underflow in the g_string_insert_unichar function (CVE-2025-4373). These issues could potentially lead to memory corruption or unexpected behavior in applications relying on glib2. Red Hat has released updated glib2 packages to address these vulnerabilities.
Potential Impact
The vulnerabilities could allow attackers to cause memory corruption through buffer overflow or underflow conditions or exploit signal subscription weaknesses. This may lead to application crashes or other unintended behavior. However, no known exploits in the wild have been reported, and the overall security impact is rated as moderate by Red Hat.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 8.6 to fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2025:14988 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): * 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 8.6. The first is a signal subscription vulnerability (CVE-2024-34397), the second a buffer overflow in the set_connect_msg() function (CVE-2024-52533), and the third a buffer underflow in the g_string_insert_unichar function (CVE-2025-4373). These issues could potentially lead to memory corruption or unexpected behavior in applications relying on glib2. Red Hat has released updated glib2 packages to address these vulnerabilities.
Potential Impact
The vulnerabilities could allow attackers to cause memory corruption through buffer overflow or underflow conditions or exploit signal subscription weaknesses. This may lead to application crashes or other unintended behavior. However, no known exploits in the wild have been reported, and the overall security impact is rated as moderate by Red Hat.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 8.6 to fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2025:14988 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-2025:14988
- Cve Count
- 3
- Additional Cves
- ["CVE-2024-52533","CVE-2025-4373"]
Threat ID: 6a1f4e88e29bf47b50081b99
Added to database: 06/02/2026, 21:43:36 UTC
Last enriched: 08/17/2026, 21:59:08 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 96
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.