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 is a buffer underflow in the GVariant parser that can lead to heap corruption (CVE-2025-14087). The second is an integer overflow in GLib GIO attribute escaping that causes a heap buffer overflow (CVE-2025-14512). These issues affect multiple Red Hat Enterprise Linux 10. 0 Extended Update Support variants and related products. Red Hat has issued a security advisory rating the impact as moderate and has released updated packages to address these vulnerabilities.
AI Analysis
Technical Summary
GLib, a fundamental C library providing core application building blocks and used extensively in 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 Enterprise Linux 10.0 Extended Update Support and associated products are affected. Red Hat has published a security advisory (RHSA-2026:19567) and released updated glib2 packages to remediate these issues.
Potential Impact
The vulnerabilities can cause heap corruption and heap buffer overflow due to improper handling of buffer underflow and integer overflow conditions in GLib. This may affect the stability and security of applications relying on GLib, potentially leading to crashes or other unintended behavior. 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 updated glib2 packages for Red Hat Enterprise Linux 10.0 Extended Update Support and related products that address these vulnerabilities. Users should apply the available security updates as detailed in Red Hat advisory RHSA-2026:19567 and the referenced article https://access.redhat.com/articles/11258. Patch status is confirmed with official fixes available. No additional mitigation steps are indicated beyond applying these updates.
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 is a buffer underflow in the GVariant parser that can lead to heap corruption (CVE-2025-14087). The second is an integer overflow in GLib GIO attribute escaping that causes a heap buffer overflow (CVE-2025-14512). These issues affect multiple Red Hat Enterprise Linux 10. 0 Extended Update Support variants and related products. Red Hat has issued a security advisory rating the impact as moderate and has released updated packages to address these vulnerabilities.
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, 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 Enterprise Linux 10.0 Extended Update Support and associated products are affected. Red Hat has published a security advisory (RHSA-2026:19567) and released updated glib2 packages to remediate these issues.
Potential Impact
The vulnerabilities can cause heap corruption and heap buffer overflow due to improper handling of buffer underflow and integer overflow conditions in GLib. This may affect the stability and security of applications relying on GLib, potentially leading to crashes or other unintended behavior. 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 updated glib2 packages for Red Hat Enterprise Linux 10.0 Extended Update Support and related products that address these vulnerabilities. Users should apply the available security updates as detailed in Red Hat advisory RHSA-2026:19567 and the referenced article https://access.redhat.com/articles/11258. Patch status is confirmed with official fixes available. No additional mitigation steps are indicated beyond applying these updates.
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
- null
Threat ID: 6a16097ce29bf47b50649056
Added to database: 5/26/2026, 8:58:36 PM
Last enriched: 5/26/2026, 11:04:22 PM
Last updated: 5/27/2026, 4:55:41 AM
Views: 2
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