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Slackware Linux 15.0 / current expat Vulnerability (SSA:2026-223-01)

medium Nessus Plugin ID 334671

Synopsis

The remote Slackware Linux host is missing a security update to expat.

Description

The version of expat installed on the remote host is prior to 2.7.5 / 2.8.3. It is, therefore, affected by a vulnerability as referenced in the SSA:2026-223-01 advisory.

 New expat packages are available for Slackware 15.0 and -current to fix a security issue.

Tenable has extracted the preceding description block directly from the expat 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

Upgrade the affected expat package.

See Also

http://www.nessus.org/u?1e98c436

Plugin Details

Severity: Medium

ID: 334671

File Name: Slackware_SSA_2026-223-01.nasl

Version: 1.1

Type: Local

Published: 8/12/2026

Updated: 8/12/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.72

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-2026-72522

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

CPE: cpe:/o:slackware:slackware_linux, cpe:/o:slackware:slackware_linux:15.0, p-cpe:/a:slackware:slackware_linux:expat

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Ease: No known exploits are available

Patch Publication Date: 8/11/2026

Vulnerability Publication Date: 8/10/2026

Reference Information

CVE: CVE-2026-72522