SUSE-SU-2026:4659-1: important: Security update for python312

SLE-SECURITY-UPDATES null at suse.de
Wed Oct 14 16:33:54 UTC 2026 

# Security update for python312

Announcement ID: SUSE-SU-2026:4659-1  
Release Date: 2026-10-14T10:07:30Z  
Rating: important  
References:

  * bsc#1280459
  * bsc#1283826
  * bsc#1283969

  
Cross-References:

  * CVE-2026-19445
  * CVE-2026-19553
  * CVE-2026-82049

  
CVSS scores:

  * CVE-2026-19445 ( SUSE ):  8.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-19445 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-19445 ( NVD ):  9.2
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/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
  * CVE-2026-19553 ( SUSE ):  7.6
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-19553 ( SUSE ):  6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
  * CVE-2026-19553 ( NVD ):  7.6
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/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
  * CVE-2026-82049 ( SUSE ):  8.6
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-82049 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
  * CVE-2026-82049 ( NVD ):  8.4
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/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:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for python312 fixes the following issues:

  * CVE-2026-19445: reassigned SNI callbacks with unreferenced SSLContext
    instances can cause use-after-free (bsc#1283969).
  * CVE-2026-19553: omitted server_hostname arguments in wrap_bio() can cause
    silent hostname verification bypasses (bsc#1283826).
  * CVE-2026-82049: tarfile extraction filters mishandle archives containing a
    hard link to a symbolic link, allowing file modification and content
    disclosure (bsc#1280459).

Changes for python312:

  * Update to 3.12.15

## 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 for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-4659

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-4659

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-4659

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * python312-base-debuginfo-3.12.15-150600.3.71.1
    * python312-curses-3.12.15-150600.3.71.1
    * python312-dbm-3.12.15-150600.3.71.1
    * libpython3_12-1_0-debuginfo-3.12.15-150600.3.71.1
    * python312-idle-3.12.15-150600.3.71.1
    * python312-tools-3.12.15-150600.3.71.1
    * python312-tk-3.12.15-150600.3.71.1
    * python312-tk-debuginfo-3.12.15-150600.3.71.1
    * libpython3_12-1_0-3.12.15-150600.3.71.1
    * python312-base-3.12.15-150600.3.71.1
    * python312-debuginfo-3.12.15-150600.3.71.1
    * python312-debugsource-3.12.15-150600.3.71.1
    * python312-curses-debuginfo-3.12.15-150600.3.71.1
    * python312-devel-3.12.15-150600.3.71.1
    * python312-3.12.15-150600.3.71.1
    * python312-dbm-debuginfo-3.12.15-150600.3.71.1
    * python312-core-debugsource-3.12.15-150600.3.71.1
  * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
    * python312-doc-devhelp-3.12.15-150600.3.71.1
    * python312-doc-3.12.15-150600.3.71.1
    * python312-devel-3.12.15-150600.3.71.1
    * python312-base-debuginfo-3.12.15-150600.3.71.1
    * python312-idle-3.12.15-150600.3.71.1
    * libpython3_12-1_0-3.12.15-150600.3.71.1
    * python312-debuginfo-3.12.15-150600.3.71.1
    * python312-debugsource-3.12.15-150600.3.71.1
    * python312-3.12.15-150600.3.71.1
    * python312-tk-debuginfo-3.12.15-150600.3.71.1
    * python312-testsuite-debuginfo-3.12.15-150600.3.71.1
    * python312-curses-3.12.15-150600.3.71.1
    * libpython3_12-1_0-debuginfo-3.12.15-150600.3.71.1
    * python312-tk-3.12.15-150600.3.71.1
    * python312-curses-debuginfo-3.12.15-150600.3.71.1
    * python312-dbm-3.12.15-150600.3.71.1
    * python312-tools-3.12.15-150600.3.71.1
    * python312-base-3.12.15-150600.3.71.1
    * python312-dbm-debuginfo-3.12.15-150600.3.71.1
    * python312-core-debugsource-3.12.15-150600.3.71.1
    * python312-testsuite-3.12.15-150600.3.71.1
  * openSUSE Leap 15.6 (x86_64)
    * python312-32bit-debuginfo-3.12.15-150600.3.71.1
    * python312-base-32bit-debuginfo-3.12.15-150600.3.71.1
    * python312-base-32bit-3.12.15-150600.3.71.1
    * python312-32bit-3.12.15-150600.3.71.1
    * libpython3_12-1_0-32bit-debuginfo-3.12.15-150600.3.71.1
    * libpython3_12-1_0-32bit-3.12.15-150600.3.71.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * python312-64bit-3.12.15-150600.3.71.1
    * libpython3_12-1_0-64bit-3.12.15-150600.3.71.1
    * python312-64bit-debuginfo-3.12.15-150600.3.71.1
    * python312-base-64bit-debuginfo-3.12.15-150600.3.71.1
    * libpython3_12-1_0-64bit-debuginfo-3.12.15-150600.3.71.1
    * python312-base-64bit-3.12.15-150600.3.71.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * python312-base-debuginfo-3.12.15-150600.3.71.1
    * python312-curses-3.12.15-150600.3.71.1
    * python312-dbm-3.12.15-150600.3.71.1
    * libpython3_12-1_0-debuginfo-3.12.15-150600.3.71.1
    * python312-idle-3.12.15-150600.3.71.1
    * python312-tools-3.12.15-150600.3.71.1
    * python312-tk-3.12.15-150600.3.71.1
    * python312-tk-debuginfo-3.12.15-150600.3.71.1
    * libpython3_12-1_0-3.12.15-150600.3.71.1
    * python312-base-3.12.15-150600.3.71.1
    * python312-debuginfo-3.12.15-150600.3.71.1
    * python312-debugsource-3.12.15-150600.3.71.1
    * python312-curses-debuginfo-3.12.15-150600.3.71.1
    * python312-devel-3.12.15-150600.3.71.1
    * python312-3.12.15-150600.3.71.1
    * python312-dbm-debuginfo-3.12.15-150600.3.71.1
    * python312-core-debugsource-3.12.15-150600.3.71.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-19445.html
  * https://www.suse.com/security/cve/CVE-2026-19553.html
  * https://www.suse.com/security/cve/CVE-2026-82049.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1280459
  * https://bugzilla.suse.com/show_bug.cgi?id=1283826
  * https://bugzilla.suse.com/show_bug.cgi?id=1283969

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