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openSUSE 16 Security Update : cpio (openSUSE-SU-2026:21747-1)

medium Nessus Plugin ID 343942

Synopsis

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

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21747-1 advisory.

 - CVE-2026-66484: improper sanitization in the tar archive extraction functionality allows for the creation of hard links outside intended directory via malicious tar archives (bsc#1274856).
 - CVE-2026-66485: improper memory management in the `make_path` function when allocating memory allows for denial of service via crafted archives (bsc#1274857).
 - CVE-2026-66486: improper encoding or escaping of output in the archive member listing functionality allows for terminal control sequence injection via crafted archive member names (bsc#1274858).

Tenable has extracted the preceding description block directly from the SUSE 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 cpio, cpio-lang and / or cpio-mt packages.

See Also

https://bugzilla.suse.com/1274856

https://bugzilla.suse.com/1274857

https://bugzilla.suse.com/1274858

https://www.suse.com/security/cve/CVE-2026-66484

https://www.suse.com/security/cve/CVE-2026-66485

https://www.suse.com/security/cve/CVE-2026-66486

Plugin Details

Severity: Medium

ID: 343942

File Name: openSUSE-2026-21747-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/9/2026

Updated: 9/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2026-66486

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

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

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

CVSS v4

Risk Factor: Medium

Base Score: 4.6

Threat Score: 1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:cpio-lang, p-cpe:/a:novell:opensuse:cpio-mt, p-cpe:/a:novell:opensuse:cpio

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/3/2026

Vulnerability Publication Date: 8/10/2026

Reference Information

CVE: CVE-2026-66484, CVE-2026-66485, CVE-2026-66486