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CentOS Linux 8.4 [TuxCare] Security Update: tar (CENTOS8.4:CLSA-2026:1777043727)

high Nessus Plugin ID 361339

Synopsis

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

Description

The CentOS Linux 8.4 host has a package installed that is affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1777043727 advisory.

 - pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers. (CVE-2019-9923)

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

Solution

Update the affected tar package based on the guidance in TuxCare advisory CENTOS8.4:CLSA-2026:1777043727.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1777043727

http://www.nessus.org/u?e14a0223

Plugin Details

Severity: High

ID: 361339

File Name: tuxcare_centos_8.4_CLSA-2026-1777043727.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-9923

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/24/2026

Vulnerability Publication Date: 3/22/2019

Reference Information

CVE: CVE-2019-9923

CLSA: 2026:1777043727