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
The Red Hat Insights proxy container uses GLib libraries that contain two vulnerabilities: CVE-2025-14087, a buffer underflow in the GVariant parser causing heap corruption, and CVE-2025-14512, an integer overflow in GLib GIO attribute escaping leading to heap buffer overflow. These vulnerabilities affect Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder products across multiple architectures. Red Hat has issued a security advisory (RHSA-2026:19567) with updated glib2 packages that fix these issues. The CVSS base score for CVE-2025-14087 is 5.6 (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L), indicating network attack vector with high attack complexity and low impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of these vulnerabilities could result in heap corruption or heap buffer overflow, potentially leading to denial of service or limited code execution capabilities. The impact is rated moderate by Red Hat, with low confidentiality, integrity, and availability impacts according to the CVSS vector. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages that fix these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder products should apply the security update as described in Red Hat advisory RHSA-2026:19567. For detailed update 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) * 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
The Red Hat Insights proxy container uses GLib libraries that contain two vulnerabilities: CVE-2025-14087, a buffer underflow in the GVariant parser causing heap corruption, and CVE-2025-14512, an integer overflow in GLib GIO attribute escaping leading to heap buffer overflow. These vulnerabilities affect Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder products across multiple architectures. Red Hat has issued a security advisory (RHSA-2026:19567) with updated glib2 packages that fix these issues. The CVSS base score for CVE-2025-14087 is 5.6 (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L), indicating network attack vector with high attack complexity and low impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of these vulnerabilities could result in heap corruption or heap buffer overflow, potentially leading to denial of service or limited code execution capabilities. The impact is rated moderate by Red Hat, with low confidentiality, integrity, and availability impacts according to the CVSS vector. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages that fix these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder products should apply the security update as described in Red Hat advisory RHSA-2026:19567. For detailed update 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-2026:19567
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-14512"]
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a16097ce29bf47b50649056
Added to database: 05/26/2026, 20:58:36 UTC
Last enriched: 07/14/2026, 10:51:28 UTC
Last updated: 09/14/2026, 16:18:26 UTC
Views: 132
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