SUSE-SU-2026:0884-1: important: Security update for python36

[SLE-SECURITY-UPDATES]

# Security update for python36

Announcement ID: SUSE-SU-2026:0884-1  
Release Date: 2026-03-12T10:20:34Z  
Rating: important  
References:

  * bsc#1257181

  
Cross-References:

  * CVE-2026-1299

  
CVSS scores:

  * CVE-2026-1299 ( SUSE ):  8.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-1299 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
  * CVE-2026-1299 ( NVD ):  6.0
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for python36 fixes the following issues:

  * CVE-2026-1299: header injection when an email is serialized due to improper
    newline quoting in BytesGenerator (bsc#1257181).

## 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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-884=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-884=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libpython3_6m1_0-debuginfo-3.6.15-103.1
    * python36-base-3.6.15-103.1
    * python36-debugsource-3.6.15-103.1
    * libpython3_6m1_0-3.6.15-103.1
    * python36-3.6.15-103.1
    * python36-base-debuginfo-3.6.15-103.1
    * python36-debuginfo-3.6.15-103.1
    * python36-devel-3.6.15-103.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libpython3_6m1_0-debuginfo-32bit-3.6.15-103.1
    * libpython3_6m1_0-32bit-3.6.15-103.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libpython3_6m1_0-32bit-3.6.15-103.1
    * libpython3_6m1_0-debuginfo-3.6.15-103.1
    * python36-base-3.6.15-103.1
    * libpython3_6m1_0-debuginfo-32bit-3.6.15-103.1
    * python36-debugsource-3.6.15-103.1
    * libpython3_6m1_0-3.6.15-103.1
    * python36-3.6.15-103.1
    * python36-base-debuginfo-3.6.15-103.1
    * python36-debuginfo-3.6.15-103.1
    * python36-devel-3.6.15-103.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-1299.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1257181

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