SUSE-SU-2026:23523-1: important: Security update for python-tornado6

[SLE-UPDATES]

# Security update for python-tornado6

Announcement ID: SUSE-SU-2026:23523-1  
Release Date: 2026-09-07T08:48:49Z  
Rating: important  
References:

  * bsc#1277725

  
Cross-References:

  * CVE-2026-82397

  
CVSS scores:

  * CVE-2026-82397 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-82397 ( 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 Micro 6.1

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python-tornado6 fixes the following issue:

  * CVE-2026-82397: an unauthenticated request body containing millions of
    separator-delimited fields can synchronously stall the single-threaded event
    loop and delay every connection (bsc#1277725).

## 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 Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-711=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * python311-tornado6-debuginfo-6.4-slfo.1.1_7.1
    * python-tornado6-debugsource-6.4-slfo.1.1_7.1
    * python311-tornado6-6.4-slfo.1.1_7.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-82397.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1277725

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