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: GLib: Buffer underflow in GVariant parser leads to heap corruption (CVE-2025-14087) * glib: Integer Overflow in GLib GIO Attribute Escaping Causes Heap Buffer Overflow (CVE-2025-14512) 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
GLib, a fundamental library for C applications including GNOME, contains two vulnerabilities: a buffer underflow in the GVariant parser (CVE-2025-14087) leading to heap corruption, and an integer overflow in GIO attribute escaping (CVE-2025-14512) causing a heap buffer overflow. These vulnerabilities could potentially lead to memory corruption issues. Red Hat has released security updates for Red Hat Enterprise Linux 8.6 variants to fix these issues as detailed in advisory RHSA-2026:19524.
Potential Impact
The vulnerabilities can cause heap corruption and heap buffer overflow, which may lead to application crashes or potentially allow an attacker to execute arbitrary code or cause denial of service. 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 8.6 variants that address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2026:19524 and the referenced article https://access.redhat.com/articles/11258. No additional mitigations are specified 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: GLib: Buffer underflow in GVariant parser leads to heap corruption (CVE-2025-14087) * glib: Integer Overflow in GLib GIO Attribute Escaping Causes Heap Buffer Overflow (CVE-2025-14512) 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
GLib, a fundamental library for C applications including GNOME, contains two vulnerabilities: a buffer underflow in the GVariant parser (CVE-2025-14087) leading to heap corruption, and an integer overflow in GIO attribute escaping (CVE-2025-14512) causing a heap buffer overflow. These vulnerabilities could potentially lead to memory corruption issues. Red Hat has released security updates for Red Hat Enterprise Linux 8.6 variants to fix these issues as detailed in advisory RHSA-2026:19524.
Potential Impact
The vulnerabilities can cause heap corruption and heap buffer overflow, which may lead to application crashes or potentially allow an attacker to execute arbitrary code or cause denial of service. 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 8.6 variants that address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2026:19524 and the referenced article https://access.redhat.com/articles/11258. No additional mitigations are specified 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-2026:19524
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-14512"]
- Cvss Version
- null
Threat ID: 6a16097de29bf47b506498f6
Added to database: 05/26/2026, 20:58:37 UTC
Last enriched: 07/14/2026, 10:52:13 UTC
Last updated: 07/31/2026, 19:22:53 UTC
Views: 69
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