SUSE-SU-2026:4065-2: important: Security update for perl-Net-DNS

[SLE-SECURITY-UPDATES]

# Security update for perl-Net-DNS

Announcement ID: SUSE-SU-2026:4065-2  
Release Date: 2026-11-11T11:00:52Z  
Rating: important  
References:

  * bsc#1278084

  
Cross-References:

  * CVE-2026-81928

  
CVSS scores:

  * CVE-2026-81928 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-81928 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-81928 ( 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 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-2026-81928: memory exhaustion via unbounded recursion in sig_data when
    re-encoding a message with a misplaced TSIG record (bsc#1278084).

## 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-2026-4065

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * perl-Net-DNS-debuginfo-0.73-5.6.1
    * perl-Net-DNS-0.73-5.6.1
    * perl-Net-DNS-debugsource-0.73-5.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-81928.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1278084

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