RHEL 8 : glib2 (RHSA-2026:15953)

critical Nessus Plugin ID 314229

Synopsis

The remote Red Hat host is missing one or more security updates for glib2.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:15953 advisory.

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL glib2 package based on the guidance in RHSA-2026:15953.

Plugin Details

Severity: Critical

ID: 314229

File Name: redhat-RHSA-2026-15953.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/11/2026

Updated: 5/11/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-14087

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:glib2-tests, p-cpe:/a:redhat:enterprise_linux:glib2-devel, p-cpe:/a:redhat:enterprise_linux:glib2-doc, p-cpe:/a:redhat:enterprise_linux:glib2, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:glib2-fam, p-cpe:/a:redhat:enterprise_linux:glib2-static

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 5/11/2026

Vulnerability Publication Date: 12/10/2025

Reference Information

CVE: CVE-2025-14087, CVE-2025-14512

CWE: 190

RHSA: 2026:15953

Detections

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