Red Hat Security Advisory: glib2 security update
Two security vulnerabilities have been identified in GLib, a core library used in GNOME and other C applications. The first vulnerability (CVE-2025-14087) is a buffer underflow in the GVariant parser that can lead to heap corruption. The second (CVE-2025-14512) is an integer overflow in GLib's GIO attribute escaping that causes a heap buffer overflow. These issues affect Red Hat Enterprise Linux 9 and related distributions. Red Hat has released a security update to address these vulnerabilities. The update is rated as having a moderate security impact. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
GLib, which provides core application building blocks and utility functions for C libraries and applications, 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 affect multiple Red Hat Enterprise Linux 9 variants and related products. Red Hat Product Security has issued an advisory (RHSA-2026:19361) and released updated glib2 packages to remediate these issues. The vulnerabilities are rated as moderate in severity. Detailed CVSS scores are not provided in the advisory. No exploits are currently known in the wild.
Potential Impact
Successful exploitation of these vulnerabilities could lead to heap corruption or heap buffer overflow in applications using GLib, potentially causing crashes or other unintended behavior. The advisory rates the security impact as moderate. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 9 and related distributions that address these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2026:19361 and the referenced update article (https://access.redhat.com/articles/11258). Since this is not a cloud service, remediation requires applying the vendor-provided patches. Patch status is confirmed by the vendor advisory.
Red Hat Security Advisory: glib2 security update
Description
Two security vulnerabilities have been identified in GLib, a core library used in GNOME and other C applications. The first vulnerability (CVE-2025-14087) is a buffer underflow in the GVariant parser that can lead to heap corruption. The second (CVE-2025-14512) is an integer overflow in GLib's GIO attribute escaping that causes a heap buffer overflow. These issues affect Red Hat Enterprise Linux 9 and related distributions. Red Hat has released a security update to address these vulnerabilities. The update is rated as having a moderate security impact. No known exploits are reported in the wild at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
GLib, which provides core application building blocks and utility functions for C libraries and applications, 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 affect multiple Red Hat Enterprise Linux 9 variants and related products. Red Hat Product Security has issued an advisory (RHSA-2026:19361) and released updated glib2 packages to remediate these issues. The vulnerabilities are rated as moderate in severity. Detailed CVSS scores are not provided in the advisory. No exploits are currently known in the wild.
Potential Impact
Successful exploitation of these vulnerabilities could lead to heap corruption or heap buffer overflow in applications using GLib, potentially causing crashes or other unintended behavior. The advisory rates the security impact as moderate. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 9 and related distributions that address these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2026:19361 and the referenced update article (https://access.redhat.com/articles/11258). Since this is not a cloud service, remediation requires applying the vendor-provided patches. 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-2026:19361
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-14512"]
- Cvss Version
- null
Threat ID: 6a16097ee29bf47b5064a9c7
Added to database: 5/26/2026, 8:58:38 PM
Last enriched: 5/26/2026, 10:36:18 PM
Last updated: 5/27/2026, 4:56:16 AM
Views: 2
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