Red Hat Security Advisory: glib2 security update
Two security vulnerabilities have been identified in the GLib library used in Red Hat Enterprise Linux 10 and related products. 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). Red Hat has issued a security advisory rating these issues as having a moderate security impact and has released updated glib2 packages to address these vulnerabilities. The advisory applies to multiple architectures and variants of Red Hat Enterprise Linux 10 and CodeReady Linux Builder. No known exploits are reported in the wild. Users are advised to apply the available updates as detailed in the Red Hat advisory.
AI Analysis
Technical Summary
GLib, a core C library used in GNOME and other applications, contains two vulnerabilities: a buffer underflow in the GVariant parser (CVE-2025-14087) that can cause heap corruption, and an integer overflow in the GIO attribute escaping mechanism (CVE-2025-14512) that leads to a heap buffer overflow. These vulnerabilities affect Red Hat Enterprise Linux 10 and related products. Red Hat has released patched glib2 packages to fix these issues. The advisory rates the security impact as moderate and provides detailed update instructions. No CVSS scores are provided in the advisory, and no known exploits have been reported.
Potential Impact
Successful exploitation of these vulnerabilities could lead to heap corruption or heap buffer overflow conditions in applications using GLib, potentially causing crashes or memory corruption. The advisory rates the impact as moderate. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 10 and related products that fix these vulnerabilities. Users should apply these official updates following the guidance in the Red Hat advisory (https://access.redhat.com/articles/11258). No additional mitigation actions are indicated by the vendor.
Red Hat Security Advisory: glib2 security update
Description
Two security vulnerabilities have been identified in the GLib library used in Red Hat Enterprise Linux 10 and related products. 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). Red Hat has issued a security advisory rating these issues as having a moderate security impact and has released updated glib2 packages to address these vulnerabilities. The advisory applies to multiple architectures and variants of Red Hat Enterprise Linux 10 and CodeReady Linux Builder. No known exploits are reported in the wild. Users are advised to apply the available updates as detailed in the Red Hat advisory.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
GLib, a core C library used in GNOME and other applications, contains two vulnerabilities: a buffer underflow in the GVariant parser (CVE-2025-14087) that can cause heap corruption, and an integer overflow in the GIO attribute escaping mechanism (CVE-2025-14512) that leads to a heap buffer overflow. These vulnerabilities affect Red Hat Enterprise Linux 10 and related products. Red Hat has released patched glib2 packages to fix these issues. The advisory rates the security impact as moderate and provides detailed update instructions. No CVSS scores are provided in the advisory, and no known exploits have been reported.
Potential Impact
Successful exploitation of these vulnerabilities could lead to heap corruption or heap buffer overflow conditions in applications using GLib, potentially causing crashes or memory corruption. The advisory rates the impact as moderate. There are no reports of active exploitation in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glib2 packages for Red Hat Enterprise Linux 10 and related products that fix these vulnerabilities. Users should apply these official updates following the guidance in the Red Hat advisory (https://access.redhat.com/articles/11258). No additional mitigation actions 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-2026:19148
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-14512"]
- Cvss Version
- null
Threat ID: 6a16097ee29bf47b5064a9b2
Added to database: 5/26/2026, 8:58:38 PM
Last enriched: 5/26/2026, 10:36:45 PM
Last updated: 5/27/2026, 4:51:57 AM
Views: 2
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