Ubuntu 21.10 openssl-suite Security Flaw SUSE-SU-2026-1359-6

opensuse

April 7, 2026

An update that solves two vulnerabilities can now be installed.

Description

This update for python-pyOpenSSL fixes the following issues:

* CVE-2026-27448: unhandled exception can result in connection not being

cancelled (bsc#1259804).

* CVE-2026-27459: large cookie value can lead to a buffer overflow

(bsc#1259808).

Topics Covered

security advisory buffer overflow important connection issue OpenSUSE python-pyopenssl

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:

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1192=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1192=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1192=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1192=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1192=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1192=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-1192=1

* openSUSE Leap 15.6

zypper in -t patch...

Read the Full Advisory

Package List

* SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* openSUSE Leap 15.4 (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* openSUSE Leap 15.6 (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* Public Cloud Module 15-SP4 (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* Python 3 Module 15-SP7 (noarch)

* python311-pyOpenSSL-23.2.0-150400.3.13.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)

*...

Read the Full Advisory

References

* bsc#1259804

* bsc#1259808

## References:

* https://www.suse.com/security/cve/CVE-2026-27448.html

* https://www.suse.com/security/cve/CVE-2026-27459.html

* https://bugzilla.suse.com/show_bug.cgi?id=1259804

* https://bugzilla.suse.com/show_bug.cgi?id=1259808

Severity

important

Lowest

Low

Medium

High

Critical

Announcement ID: SUSE-SU-2026:1192-1

Release Date: 2026-04-07T08:40:00Z

Affected Products: * openSUSE Leap 15.4 * openSUSE Leap 15.6 * Public Cloud Module 15-SP4 * 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 * SUSE Manager Proxy 4.3 * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Server 4.3

Topics Covered

security advisory buffer overflow important connection issue OpenSUSE python-pyopenssl

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