SUSE alert SUSE-SU-2026:3431-1 (perl-Net-DNS)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:3431-1: important: Security update for perl-Net-DNS
Date:
             
 
Fri, 31 Jul 2026 08:34:00 -0000
Message-ID:
             
 
<178548684078.1494.10030087818609904503@cdce4c525ac1>
# Security update for perl-Net-DNS

Announcement ID: SUSE-SU-2026:3431-1  
Release Date: 2026-07-30T18:50:16Z  
Rating: important  
References:

  * bsc#1272214

  
Cross-References:

  * CVE-2026-64194

  
CVSS scores:

  * CVE-2026-64194 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-64194 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

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).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-3431=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3431=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * perl-Net-DNS-debugsource-0.73-5.3.1
    * perl-Net-DNS-debuginfo-0.73-5.3.1
    * perl-Net-DNS-0.73-5.3.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * perl-Net-DNS-debugsource-0.73-5.3.1
    * perl-Net-DNS-debuginfo-0.73-5.3.1
    * perl-Net-DNS-0.73-5.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-64194.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1272214



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