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SUSE SLES12 Security Update : libidn (SUSE-SU-2026:4081-1)

low Nessus Plugin ID 348403

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:4081-1 advisory.

 This update for libidn fixes the following issue:

 - CVE-2026-57053: out-of-bounds read in ToUnicode APIs (bsc#1268965).

Tenable has extracted the preceding description block directly from the SUSE 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 libidn-devel, libidn-tools, libidn11 and / or libidn11-32bit packages.

See Also

https://bugzilla.suse.com/1268965

https://www.suse.com/security/cve/CVE-2026-57053

http://www.nessus.org/u?eb0f115e

Plugin Details

Severity: Low

ID: 348403

File Name: suse_SU-2026-4081-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/21/2026

Updated: 9/21/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 1

Temporal Score: 0.8

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

CVSS Score Source: CVE-2026-57053

CVSS v3

Risk Factor: Low

Base Score: 2.5

Temporal Score: 2.3

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libidn-devel, p-cpe:/a:novell:suse_linux:libidn-tools, p-cpe:/a:novell:suse_linux:libidn11-32bit, p-cpe:/a:novell:suse_linux:libidn11

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/8/2026

Vulnerability Publication Date: 6/23/2026

Reference Information

CVE: CVE-2026-57053

SuSE: SUSE-SU-2026:4081-1