SUSE-SU-2026:1192-1: important: Security update for python-pyOpenSSL

SLE-UPDATES null at suse.de
Tue Apr 7 16:30:38 UTC 2026 


# Security update for python-pyOpenSSL

Announcement ID: SUSE-SU-2026:1192-1  
Release Date: 2026-04-07T08:40:00Z  
Rating: important  
References:

  * bsc#1259804
  * bsc#1259808

  
Cross-References:

  * CVE-2026-27448
  * CVE-2026-27459

  
CVSS scores:

  * CVE-2026-27448 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-27448 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-27448 ( NVD ):  1.7
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-27448 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-27459 ( SUSE ):  8.3
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-27459 ( SUSE ):  7.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-27459 ( NVD ):  7.2
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-27459 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  
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

  
  
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).

## 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 openSUSE-SLE-15.6-2026-1192=1

  * Public Cloud Module 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-1192=1

  * Python 3 Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-1192=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1192=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1192=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1192=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1192=1

## 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)
    * python311-pyOpenSSL-23.2.0-150400.3.13.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
    * python311-pyOpenSSL-23.2.0-150400.3.13.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
    * python311-pyOpenSSL-23.2.0-150400.3.13.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
    * python311-pyOpenSSL-23.2.0-150400.3.13.1

## 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

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