RockyLinux 9 : glib2 (RLSA-2026:55440)

high Nessus Plugin ID 335977

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:55440 advisory.

* glib: buffer over-read in glib/gvariant-serialiser.c via gvs_tuple_is_normal() (CVE-2026-58010)

* glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid GDateTime (CVE-2026-58011)

* glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char() (CVE-2026-58012)

* glib: buffer over-read in glib/giochannel.c via g_io_channel_read_line_backend (CVE-2026-58013)

* glib: off-by-one error in glib/gkeyfile.c via g_key_file_get_locale_string_list (CVE-2026-58014)

* glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive (CVE-2026-58015)

* GDBusServer: glib2: GDBusServer pre-authentication DoS via unbounded SASL line buffering (CVE-2026-15588)

Tenable has extracted the preceding description block directly from the RockyLinux 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.

Plugin Details

Severity: High

ID: 335977

File Name: rocky_linux_RLSA-2026-55440.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 8/17/2026

Updated: 8/17/2026

Supported Sensors: 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:rocky:linux:9, p-cpe:/a:rocky:linux:glib2-debuginfo, p-cpe:/a:rocky:linux:glib2-debugsource, p-cpe:/a:rocky:linux:glib2-devel-debuginfo, p-cpe:/a:rocky:linux:glib2-devel, p-cpe:/a:rocky:linux:glib2-doc, p-cpe:/a:rocky:linux:glib2-static, p-cpe:/a:rocky:linux:glib2-tests-debuginfo, p-cpe:/a:rocky:linux:glib2-tests, p-cpe:/a:rocky:linux:glib2

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

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

Detections

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