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 essential application building blocks for C libraries and 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 9 and related products to fix these issues as detailed in advisory RHSA-2026:15971.
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 if exploited. Red Hat rates the security impact as moderate. 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 packages to address these vulnerabilities. Users should apply the updates as described in Red Hat advisory RHSA-2026:15971 and the linked update instructions at https://access.redhat.com/articles/11258. No additional mitigation is required beyond applying the official patches.
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 essential application building blocks for C libraries and 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 9 and related products to fix these issues as detailed in advisory RHSA-2026:15971.
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 if exploited. Red Hat rates the security impact as moderate. 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 packages to address these vulnerabilities. Users should apply the updates as described in Red Hat advisory RHSA-2026:15971 and the linked update instructions at https://access.redhat.com/articles/11258. No additional mitigation is required beyond applying the official patches.
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: 05/26/2026, 20:58:38 UTC
Last enriched: 07/14/2026, 10:53:39 UTC
Last updated: 07/31/2026, 19:22:53 UTC
Views: 59
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