Rocky Linux 8 [CIQ] Security Update: libtar / libtar-debuginfo / libtar-debugsource Multiple Vulnerabilities (crlsa-2023_2898)

critical Nessus Plugin ID 354100

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2023_2898 advisory.

* libtar: out-of-bounds read in gnu_longlink (CVE-2021-33643)

* libtar: out-of-bounds read in gnu_longname (CVE-2021-33644)

* libtar: memory leak found in th_read() function (CVE-2021-33645)

* libtar: memory leak found in th_read() function (CVE-2021-33646)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2023_2898.

Plugin Details

Severity: Critical

ID: 354100

File Name: ciq_rocky_linux_8_crlsa-2023_2898.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.04

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2021-33644

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS Score Source: CVE-2021-33643

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 12/27/2025

Vulnerability Publication Date: 8/9/2022

Reference Information

CVE: CVE-2021-33643, CVE-2021-33644, CVE-2021-33645, CVE-2021-33646

Detections

Analytics