Red Hat Security Advisory: glib2 security update
Two security vulnerabilities in GLib, a core C library used in GNOME and other applications, have been addressed in Red Hat Enterprise Linux 8. The first vulnerability (CVE-2025-14087) is a buffer underflow in the GVariant parser that can lead to heap corruption. The second (CVE-2025-14512) is an integer overflow in GLib GIO attribute escaping that causes a heap buffer overflow. Red Hat has released updated glib2 packages to fix these issues. The security impact is rated as moderate by Red Hat Product Security. No known exploits are reported in the wild. Users of affected Red Hat Enterprise Linux 8 versions should apply the provided updates to remediate these vulnerabilities.
AI Analysis
Technical Summary
Red Hat Product Security issued an advisory (RHSA-2026:15953) for two GLib vulnerabilities affecting Red Hat Enterprise Linux 8 and related variants. CVE-2025-14087 involves a buffer underflow in the GVariant parser that leads to heap corruption. CVE-2025-14512 involves an integer overflow in GLib GIO attribute escaping causing a heap buffer overflow. Both vulnerabilities could result in memory corruption. Red Hat has released patched glib2 packages to address these issues. The advisory rates the impact as moderate and provides updated packages for multiple architectures including x86_64, s390x, ppc64le, and aarch64. No CVSS scores are provided in the advisory, and no known exploits in the wild have been reported.
Potential Impact
These vulnerabilities can cause heap corruption and heap buffer overflow due to improper handling of buffer boundaries and integer overflow in GLib components. This could potentially lead to application crashes or memory corruption. The Red Hat advisory rates the security 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 8 and related variants that fix these vulnerabilities. Users should apply these official patches as described in the Red Hat advisory (RHSA-2026:15953) and the referenced update article (https://access.redhat.com/articles/11258). No additional mitigation is required beyond applying the vendor-provided updates.
Red Hat Security Advisory: glib2 security update
Description
Two security vulnerabilities in GLib, a core C library used in GNOME and other applications, have been addressed in Red Hat Enterprise Linux 8. The first vulnerability (CVE-2025-14087) is a buffer underflow in the GVariant parser that can lead to heap corruption. The second (CVE-2025-14512) is an integer overflow in GLib GIO attribute escaping that causes a heap buffer overflow. Red Hat has released updated glib2 packages to fix these issues. The security impact is rated as moderate by Red Hat Product Security. No known exploits are reported in the wild. Users of affected Red Hat Enterprise Linux 8 versions should apply the provided updates to remediate these vulnerabilities.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Red Hat Product Security issued an advisory (RHSA-2026:15953) for two GLib vulnerabilities affecting Red Hat Enterprise Linux 8 and related variants. CVE-2025-14087 involves a buffer underflow in the GVariant parser that leads to heap corruption. CVE-2025-14512 involves an integer overflow in GLib GIO attribute escaping causing a heap buffer overflow. Both vulnerabilities could result in memory corruption. Red Hat has released patched glib2 packages to address these issues. The advisory rates the impact as moderate and provides updated packages for multiple architectures including x86_64, s390x, ppc64le, and aarch64. No CVSS scores are provided in the advisory, and no known exploits in the wild have been reported.
Potential Impact
These vulnerabilities can cause heap corruption and heap buffer overflow due to improper handling of buffer boundaries and integer overflow in GLib components. This could potentially lead to application crashes or memory corruption. The Red Hat advisory rates the security 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 8 and related variants that fix these vulnerabilities. Users should apply these official patches as described in the Red Hat advisory (RHSA-2026:15953) and the referenced update article (https://access.redhat.com/articles/11258). No additional mitigation is required beyond applying the vendor-provided 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-2026:15953
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-14512"]
- Cvss Version
- null
Threat ID: 6a16097ee29bf47b5064a9b9
Added to database: 5/26/2026, 8:58:38 PM
Last enriched: 5/26/2026, 10:36:37 PM
Last updated: 5/27/2026, 5:02:09 AM
Views: 2
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