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openSUSE Leap 16.0 python-tornado6 Important DoS Threat CVE-2026-31958

opensuse
Calendar Grey March 28, 2026
Dist Opensuse Esm H88
Update for python-tornado6 addresses a significant denial of service threat in openSUSE Leap 16.0. Install now.
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

Topics%20covered

Topics Covered

security advisory denial of service security update important OpenSUSE python-tornado6

Patch

Package List

- openSUSE Leap 16.0:

python313-tornado6-6.5-160000.4.1

References

* bsc#1259553

* bsc#1259630

References:

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20406-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory denial of service security update important OpenSUSE python-tornado6

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