Red Hat Security Advisory: glib2 security update
Two security vulnerabilities have been identified in the GLib library used by Red Hat Enterprise Linux 8. 6 variants. The first is a buffer underflow in the GVariant parser that can lead to heap corruption (CVE-2025-14087). The second is an integer overflow in GLib GIO attribute escaping that causes a heap buffer overflow (CVE-2025-14512). These issues affect core components used in GNOME and other C applications relying on GLib. Red Hat has released security updates addressing these vulnerabilities with a moderate severity rating. No known exploits are reported in the wild. The vendor advisory provides updated packages and instructions for remediation.
AI Analysis
Technical Summary
GLib, a core C library providing object system, main loop, and utility functions, 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 heap buffer overflow. These vulnerabilities could potentially lead to memory corruption issues in applications using GLib. Red Hat has issued a security advisory (RHSA-2026:19524) for Red Hat Enterprise Linux 8.6 variants, providing updated glib2 packages to fix these flaws. The advisory rates the impact as moderate and references CVE pages for detailed scoring and acknowledgments. No CVSS scores are provided in the advisory.
Potential Impact
The vulnerabilities can cause heap corruption and heap buffer overflow in applications using GLib, potentially leading to application crashes or other memory corruption effects. The advisory rates the security impact as moderate. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages for affected Red Hat Enterprise Linux 8.6 variants that address these vulnerabilities. Users should apply these official security updates as detailed in the Red Hat advisory RHSA-2026:19524 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Red Hat Security Advisory: glib2 security update
Description
Two security vulnerabilities have been identified in the GLib library used by Red Hat Enterprise Linux 8. 6 variants. The first is a buffer underflow in the GVariant parser that can lead to heap corruption (CVE-2025-14087). The second is an integer overflow in GLib GIO attribute escaping that causes a heap buffer overflow (CVE-2025-14512). These issues affect core components used in GNOME and other C applications relying on GLib. Red Hat has released security updates addressing these vulnerabilities with a moderate severity rating. No known exploits are reported in the wild. The vendor advisory provides updated packages and instructions for remediation.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
GLib, a core C library providing object system, main loop, and utility functions, 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 heap buffer overflow. These vulnerabilities could potentially lead to memory corruption issues in applications using GLib. Red Hat has issued a security advisory (RHSA-2026:19524) for Red Hat Enterprise Linux 8.6 variants, providing updated glib2 packages to fix these flaws. The advisory rates the impact as moderate and references CVE pages for detailed scoring and acknowledgments. No CVSS scores are provided in the advisory.
Potential Impact
The vulnerabilities can cause heap corruption and heap buffer overflow in applications using GLib, potentially leading to application crashes or other memory corruption effects. The advisory rates the security impact as moderate. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages for affected Red Hat Enterprise Linux 8.6 variants that address these vulnerabilities. Users should apply these official security updates as detailed in the Red Hat advisory RHSA-2026:19524 and the referenced article https://access.redhat.com/articles/11258. 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-2026:19524
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-14512"]
- Cvss Version
- null
Threat ID: 6a16097de29bf47b506498f6
Added to database: 5/26/2026, 8:58:37 PM
Last enriched: 5/26/2026, 10:50:14 PM
Last updated: 5/27/2026, 4:53:47 AM
Views: 2
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