Red Hat Security Advisory: glib2 security update
Two security vulnerabilities have been identified in GLib, a core library used in Red Hat Enterprise Linux 9 and related products. 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 GIO attribute escaping that causes a heap buffer overflow. Both issues have been rated with moderate severity by Red Hat Product Security. A security update addressing these vulnerabilities is available for affected Red Hat Enterprise Linux 9 versions and related packages.
AI Analysis
Technical Summary
GLib, a fundamental C library providing core application building blocks and used extensively in GNOME and other 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 heap buffer overflow. These vulnerabilities affect multiple Red Hat Enterprise Linux 9 variants and related CodeReady Linux Builder packages. Red Hat has issued a security advisory (RHSA-2026:15971) and released updates to address these issues.
Potential Impact
Exploitation of these vulnerabilities could lead to heap corruption or heap buffer overflow, potentially causing application crashes or memory corruption. The advisory rates the impact as moderate, indicating a significant but not critical risk. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released security updates for affected Red Hat Enterprise Linux 9 and related packages to address these vulnerabilities. Users should apply the updates as detailed in the Red Hat advisory RHSA-2026:15971 and the referenced 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 as available.
Red Hat Security Advisory: glib2 security update
Description
Two security vulnerabilities have been identified in GLib, a core library used in Red Hat Enterprise Linux 9 and related products. 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 GIO attribute escaping that causes a heap buffer overflow. Both issues have been rated with moderate severity by Red Hat Product Security. A security update addressing these vulnerabilities is available for affected Red Hat Enterprise Linux 9 versions and related packages.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
GLib, a fundamental C library providing core application building blocks and used extensively in GNOME and other 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 heap buffer overflow. These vulnerabilities affect multiple Red Hat Enterprise Linux 9 variants and related CodeReady Linux Builder packages. Red Hat has issued a security advisory (RHSA-2026:15971) and released updates to address these issues.
Potential Impact
Exploitation of these vulnerabilities could lead to heap corruption or heap buffer overflow, potentially causing application crashes or memory corruption. The advisory rates the impact as moderate, indicating a significant but not critical risk. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released security updates for affected Red Hat Enterprise Linux 9 and related packages to address these vulnerabilities. Users should apply the updates as detailed in the Red Hat advisory RHSA-2026:15971 and the referenced 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 as available.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:15971
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-14512"]
- Cvss Version
- null
Threat ID: 6a16097ee29bf47b5064a6aa
Added to database: 5/26/2026, 8:58:38 PM
Last enriched: 5/26/2026, 10:36:51 PM
Last updated: 5/27/2026, 4:53:46 AM
Views: 2
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