SUSE-SU-2026:22004-1: important: Security update for python-Twisted

[SLE-UPDATES]

# Security update for python-Twisted

Announcement ID: SUSE-SU-2026:22004-1  
Release Date: 2026-06-01T08:20:36Z  
Rating: important  
References:

  * bsc#1265265

  
Cross-References:

  * CVE-2026-42304

  
CVSS scores:

  * CVE-2026-42304 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-42304 ( 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 Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-Twisted fixes the following issue

  * CVE-2026-42304: Prior to 26.4.0rc2, the twisted.names module is vulnerable
    to a Denial of Service (DoS) attack via resource exhaustion during DNS name
    decompression (bsc#1265265).

## 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 16.0  
    zypper in -t patch SUSE-SLES-16.0-833=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-833=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (noarch)
    * python313-Twisted-http2-24.10.0-160000.3.1
    * python313-Twisted-contextvars-24.10.0-160000.3.1
    * python313-Twisted-serial-24.10.0-160000.3.1
    * python313-Twisted-tls-24.10.0-160000.3.1
    * python313-Twisted-all_non_platform-24.10.0-160000.3.1
    * python313-Twisted-conch_nacl-24.10.0-160000.3.1
    * python313-Twisted-24.10.0-160000.3.1
    * python-Twisted-doc-24.10.0-160000.3.1
    * python313-Twisted-conch-24.10.0-160000.3.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    * python313-Twisted-http2-24.10.0-160000.3.1
    * python313-Twisted-contextvars-24.10.0-160000.3.1
    * python313-Twisted-serial-24.10.0-160000.3.1
    * python313-Twisted-tls-24.10.0-160000.3.1
    * python313-Twisted-all_non_platform-24.10.0-160000.3.1
    * python313-Twisted-conch_nacl-24.10.0-160000.3.1
    * python313-Twisted-24.10.0-160000.3.1
    * python-Twisted-doc-24.10.0-160000.3.1
    * python313-Twisted-conch-24.10.0-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-42304.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1265265

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