SUSE SLED15 / SLES15 Security Update : tar (SUSE-SU-2026:5160-1)

medium Nessus Plugin ID 379472

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:5160-1 advisory.

- CVE-2026-18477: TOCTOU in incremental dumpdir 'X' rename handling allows restore path escape (bsc#1274489).
- CVE-2026-18508: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite (bsc#1274490).

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 tar, tar-lang and / or tar-rmt packages.

Plugin Details

Severity: Medium

ID: 379472

File Name: suse_SU-2026-5160-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 11/12/2026

Updated: 11/12/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.62

CVSS v2

Risk Factor: Low

Base Score: 3.8

Temporal Score: 2.8

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

CVSS Score Source: CVE-2026-18477

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

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

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

CVSS Score Source: CVE-2026-18508

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:tar-lang, p-cpe:/a:novell:suse_linux:tar-rmt, p-cpe:/a:novell:suse_linux:tar

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: 11/10/2026

Vulnerability Publication Date: 8/3/2026

Reference Information

CVE: CVE-2026-18477, CVE-2026-18508

SuSE: SUSE-SU-2026:5160-1

Detections

Analytics