SUSE SLES12 Security Update : perl-Net-DNS (SUSE-SU-2026:3431-1)

high Nessus Plugin ID 331548

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES12 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:3431-1 advisory.

This update for perl-Net-DNS fixes the following issue

- CVE-2026-64194: RFC 1035 compression pointers are followed via recursion with no depth limit established, which can lead to DoS when specially crafted DNS packets are parsed (bsc#1272214).

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 perl-Net-DNS package.

See Also

https://bugzilla.suse.com/1272214

https://lists.suse.com/pipermail/sle-updates/2026-July/048978.html

https://www.suse.com/security/cve/CVE-2026-64194

Plugin Details

Severity: High

ID: 331548

File Name: suse_SU-2026-3431-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/1/2026

Updated: 8/1/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.75

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-2026-64194

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:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:perl-net-dns

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: 7/30/2026

Vulnerability Publication Date: 7/20/2026

Reference Information

CVE: CVE-2026-64194

SuSE: SUSE-SU-2026:3431-1