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, which provides fundamental building blocks for C libraries and applications including the GNOME object system and utility functions, contains two vulnerabilities. CVE-2025-14087 is a buffer underflow in the GVariant parser that results in heap corruption. CVE-2025-14512 is an integer overflow in the GIO attribute escaping mechanism that leads to a heap buffer overflow. Both vulnerabilities could potentially cause memory corruption issues. Red Hat has issued a security advisory (RHSA-2026:19460) and released updated glib2 packages for Red Hat Enterprise Linux 9.2 to fix these issues.
Potential Impact
The vulnerabilities cause heap corruption and heap buffer overflow due to buffer underflow and integer overflow bugs in GLib components. This can lead to application crashes or potentially allow attackers to execute arbitrary code or cause denial of service. The overall 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 9.2 that address these vulnerabilities. Users should apply the official Red Hat update as described in the advisory RHSA-2026:19460 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor. Patch status is confirmed by the vendor advisory.
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, which provides fundamental building blocks for C libraries and applications including the GNOME object system and utility functions, contains two vulnerabilities. CVE-2025-14087 is a buffer underflow in the GVariant parser that results in heap corruption. CVE-2025-14512 is an integer overflow in the GIO attribute escaping mechanism that leads to a heap buffer overflow. Both vulnerabilities could potentially cause memory corruption issues. Red Hat has issued a security advisory (RHSA-2026:19460) and released updated glib2 packages for Red Hat Enterprise Linux 9.2 to fix these issues.
Potential Impact
The vulnerabilities cause heap corruption and heap buffer overflow due to buffer underflow and integer overflow bugs in GLib components. This can lead to application crashes or potentially allow attackers to execute arbitrary code or cause denial of service. The overall 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 9.2 that address these vulnerabilities. Users should apply the official Red Hat update as described in the advisory RHSA-2026:19460 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor. Patch status is confirmed 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-2026:19460
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-14512"]
- Cvss Version
- null
Threat ID: 6a16097de29bf47b50649df4
Added to database: 05/26/2026, 20:58:37 UTC
Last enriched: 07/14/2026, 10:52:38 UTC
Last updated: 07/31/2026, 19:22:53 UTC
Views: 72
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