RockyLinux 8 : libtar (RLSA-2023:2898)

critical Nessus Plugin ID 280096

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Synopsis

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

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-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 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 libtar, libtar-debuginfo and / or libtar-debugsource packages.

Plugin Details

Severity: Critical

ID: 280096

File Name: rocky_linux_RLSA-2023-2898.nasl

Version: 1.1

Type: local

Family: Rocky Linux Local Security Checks

Published: 12/27/2025

Updated: 12/27/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

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

CPE: cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:libtar, p-cpe:/a:rocky:linux:libtar-debuginfo, p-cpe:/a:rocky:linux:libtar-debugsource

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

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

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