SUSE alert openSUSE-SU-2026:20406-1 (python-tornado6)

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null@suse.de
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:20406-1: important: Security update for python-tornado6
Date:
             
 
Sat, 28 Mar 2026 17:51:55 +0100
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<20260328165155.27E9EFD57@maintenance.suse.de>
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Article
openSUSE security update: security update for python-tornado6
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20406-1
Rating: important
References:

  * bsc#1259553
  * bsc#1259630



Cross-References:

  * CVE-2026-31958



CVSS scores:

  * CVE-2026-31958 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-31958 ( 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

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves one vulnerability and has 2 bug fixes can now be installed.

Description:

This update for python-tornado6 fixes the following issues:

- CVE-2026-31958: parsing large multipart bodies with many parts can cause a denial of service
(bsc#1259553).
- incomplete validation of cookie attributes allows for injection of user-controlled values in
other cookie attributes
  (bsc#1259630).


Patch instructions:

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

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-420=1

Package List:

- openSUSE Leap 16.0:

  python313-tornado6-6.5-160000.4.1

References:

  * https://www.suse.com/security/cve/CVE-2026-31958.html