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AlmaLinux 9.6 [TuxCare] Security Update: tar (ALMALINUX9.6:CLSA-2026:1778828497)

medium Nessus Plugin ID 352509

Synopsis

The AlmaLinux host is missing one or more security updates.

Description

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778828497 advisory.

 - In GNU tar before 1.35, mishandled extension attributes in a PAX archive can lead to an application crash in xheader.c. (CVE-2023-39804)

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 ALMALINUX9.6:CLSA-2026:1778828497.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1778828497

http://www.nessus.org/u?26694557

Plugin Details

Severity: Medium

ID: 352509

File Name: tuxcare_alma_linux_9.6_CLSA-2026-1778828497.nasl

Version: 1.1

Type: Local

Published: 9/30/2026

Updated: 9/30/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2023-39804

CVSS v3

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 5.4

Vector: CVSS:3.0/AV:L/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/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 5/15/2026

Vulnerability Publication Date: 12/22/2023

Reference Information

CVE: CVE-2023-39804

CLSA: 2026:1778828497