Oracle Linux 10 : perl-Archive-Tar (ELSA-2026-49523)

high Nessus Plugin ID 331724

Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 10 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-49523 advisory.

- Fix CVE-2026-9538: cap per-entry declared size during archive reading to prevent memory DoS

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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 perl-Archive-Tar package.

See Also

https://linux.oracle.com/errata/ELSA-2026-49523.html

Plugin Details

Severity: High

ID: 331724

File Name: oraclelinux_ELSA-2026-49523.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/3/2026

Updated: 8/3/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-9538

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

CPE: cpe:/o:oracle:linux:10, p-cpe:/a:oracle:linux:perl-archive-tar

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Ease: No known exploits are available

Patch Publication Date: 8/3/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-9538