Oracle Linux 9 : glib2 (ELSA-2026-55440)

high Nessus Plugin ID 338017

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-55440 advisory.

- Fix CVE-2026-15588: limit D-Bus auth line read length
- Fix CVE-2026-58010: off-by-one in GVariant tuple offset checking
- Fix CVE-2026-58012: buffer overflow in gregex.c with G_REGEX_RAW
- Fix CVE-2026-58011: range validation in g_date_time_add_full()
- Fix CVE-2026-58013: buffer over-read in GIOChannel with long terminators
- Fix CVE-2026-58014: heap under-read in g_key_file_get_locale_string_list
- Fix CVE-2026-58015: validate D-Bus DBUS_COOKIE_SHA1 cookie context

Tenable has extracted the preceding description block directly from the Oracle 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 affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-55440.html

Plugin Details

Severity: High

ID: 338017

File Name: oraclelinux_ELSA-2026-55440.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/19/2026

Updated: 8/19/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

Percentile: 96.21

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

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

CVSS Score Source: CVE-2026-58014

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:9, cpe:/o:oracle:linux:9:8:baseos_patch, p-cpe:/a:oracle:linux:glib2-devel, p-cpe:/a:oracle:linux:glib2-doc, p-cpe:/a:oracle:linux:glib2-static, p-cpe:/a:oracle:linux:glib2-tests, p-cpe:/a:oracle:linux:glib2

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/17/2026

Vulnerability Publication Date: 6/30/2026

Reference Information

CVE: CVE-2026-15588, CVE-2026-58010, CVE-2026-58011, CVE-2026-58012, CVE-2026-58013, CVE-2026-58014, CVE-2026-58015

IAVA: 2026-A-0684