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) 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
CVE-2025-14087 is a vulnerability in GLib's GVariant parser where a buffer underflow condition can cause heap corruption. GLib is a core library providing fundamental building blocks for C applications, including the GNOME object system and utility functions. This vulnerability affects Red Hat Enterprise Linux 7 Extended Lifecycle Support versions of glib2. Red Hat has issued a security advisory (RHSA-2026:19566) with an update to fix this issue. The advisory rates the security impact as moderate and provides updated packages to remediate the vulnerability.
Potential Impact
Heap corruption caused by a buffer underflow in the GVariant parser could potentially lead to application crashes or other unintended behavior. The security impact is rated moderate by Red Hat, indicating a medium level of risk. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released a security update for glib2 in Red Hat Enterprise Linux 7 Extended Lifecycle Support to address CVE-2025-14087. Users should apply the official Red Hat update as described in the advisory RHSA-2026:19566. For detailed instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
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) 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
CVE-2025-14087 is a vulnerability in GLib's GVariant parser where a buffer underflow condition can cause heap corruption. GLib is a core library providing fundamental building blocks for C applications, including the GNOME object system and utility functions. This vulnerability affects Red Hat Enterprise Linux 7 Extended Lifecycle Support versions of glib2. Red Hat has issued a security advisory (RHSA-2026:19566) with an update to fix this issue. The advisory rates the security impact as moderate and provides updated packages to remediate the vulnerability.
Potential Impact
Heap corruption caused by a buffer underflow in the GVariant parser could potentially lead to application crashes or other unintended behavior. The security impact is rated moderate by Red Hat, indicating a medium level of risk. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released a security update for glib2 in Red Hat Enterprise Linux 7 Extended Lifecycle Support to address CVE-2025-14087. Users should apply the official Red Hat update as described in the advisory RHSA-2026:19566. For detailed instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:19566
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a16097de29bf47b5064989e
Added to database: 05/26/2026, 20:58:37 UTC
Last enriched: 07/14/2026, 10:51:37 UTC
Last updated: 07/31/2026, 19:22:53 UTC
Views: 156
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