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openSUSE Leap 15.4 Python Tornado 6 Major Vulnerability SUSE-SU-2026-1064-3

opensuse
Calendar Grey March 26, 2026
Dist Opensuse Esm H88
Update for python-tornado6 resolves significant security issues affecting openSUSE. Immediate action is advised for users.
An update that solves one vulnerability and has one security fix 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).

Topics%20covered

Topics Covered

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

Patch

## 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:

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-1064=1

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2026-1064=1

* Python 3 Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-1064=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1064=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1064=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1064=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1064=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch...

Read the Full Advisory

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* python-tornado6-debugsource-6.3.2-150400.9.15.1

* python311-tornado6-6.3.2-150400.9.15.1

* python311-tornado6-debuginfo-6.3.2-150400.9.15.1

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* python-tornado6-debugsource-6.3.2-150400.9.15.1

* python311-tornado6-6.3.2-150400.9.15.1

* python311-tornado6-debuginfo-6.3.2-150400.9.15.1

* Python 3 Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* python-tornado6-debugsource-6.3.2-150400.9.15.1

* python311-tornado6-6.3.2-150400.9.15.1

* python311-tornado6-debuginfo-6.3.2-150400.9.15.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

* python-tornado6-debugsource-6.3.2-150400.9.15.1

* python311-tornado6-6.3.2-150400.9.15.1

* python311-tornado6-debuginfo-6.3.2-150400.9.15.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64

x86_64)

* python-tornado6-debugsource-6.3.2-150400.9.15.1

* python311-tornado6-6.3.2-150400.9.15.1

*...

Read the Full Advisory

References

* bsc#1259553

* bsc#1259630

## References:

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

* https://bugzilla.suse.com/show_bug.cgi?id=1259553

* https://bugzilla.suse.com/show_bug.cgi?id=1259630

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1064-1
Release Date: 2026-03-26T10:37:52Z
Affected Products: * openSUSE Leap 15.4 * openSUSE Leap 15.6 * Python 3 Module 15-SP7 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

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

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