SUSE-SU-2026:4744-1: important: Security update for python3, python3-base, python3-doc

SLE-SECURITY-UPDATES null at suse.de
Mon Oct 19 20:30:47 UTC 2026 

# Security update for python3, python3-base, python3-doc

Announcement ID: SUSE-SU-2026:4744-1  
Release Date: 2026-10-19T15:01:40Z  
Rating: important  
References:

  * bsc#1267974
  * bsc#1273148
  * bsc#1274683
  * bsc#1276223
  * bsc#1276226
  * bsc#1276227
  * bsc#1276903
  * bsc#1277111
  * bsc#1277271
  * bsc#1280459

  
Cross-References:

  * CVE-2025-4435
  * CVE-2026-15310
  * CVE-2026-15806
  * CVE-2026-17084
  * CVE-2026-18503
  * CVE-2026-19672
  * CVE-2026-3276
  * CVE-2026-6879
  * CVE-2026-7774
  * CVE-2026-82049
  * CVE-2026-9669

  
CVSS scores:

  * CVE-2025-4435 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
  * CVE-2025-4435 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-15310 ( SUSE ):  3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-15310 ( NVD ):  2.1
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/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-2026-15806 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/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-2026-15806 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-15806 ( NVD ):  6.0
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:N/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-2026-17084 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/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-2026-17084 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-17084 ( NVD ):  6.0
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/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-2026-18503 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-18503 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-18503 ( NVD ):  2.4
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/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-2026-19672 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/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-2026-19672 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-19672 ( NVD ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/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-2026-3276 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-3276 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-3276 ( NVD ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/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-2026-6879 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-6879 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-6879 ( NVD ):  2.0
    CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:N/VI:N/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-2026-7774 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-7774 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-7774 ( NVD ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/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
  * CVE-2026-9669 ( SUSE ):  5.7
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-9669 ( SUSE ):  4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-9669 ( NVD ):  8.2
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/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 11 vulnerabilities can now be installed.

## Description:

This update for python3, python3-base, python3-doc fixes the following issues:

Security issues fixed:

  * CVE-2026-6879: quadratic behavior in `xml.etree.ElementPath` index
    predicates can lead to a denial of service via high CPU usage (bsc#1273148).
  * CVE-2026-9669: crafted input can cause a stack buffer overflow
    (bsc#1267974).
  * CVE-2026-15310: memory exhaustion in zipfile in bzip2/LZMA/Zstandard
    decompression (bsc#1277111).
  * CVE-2026-15806: urllib.request.HTTPPasswordMgr credentials for one URL
    scheme sent over another scheme (bsc#1276223).
  * CVE-2026-17084: StringPrep algorithm considered Unicode codepoint attributes
    outside Unicode 3.2.0 (bsc#1276226).
  * CVE-2026-18503: attacker-controlled CSV samples can trigger super-linear
    regular-expression work during dialect sniffing and consume significant CPU
    (bsc#1274683).
  * CVE-2026-19672: tarfile extraction filter bypass allows creation of
    directories outside the destination (bsc#1276227).
  * 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 python3:

  * Update bundled setuptools wheels to setuptools-40.6.2 (bsc#1276903).

## 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-2026-4744

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4744

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libpython3_4m1_0-debuginfo-3.4.10-25.199.1
    * python3-devel-3.4.10-25.199.1
    * python3-tk-debuginfo-3.4.10-25.199.1
    * python3-curses-3.4.10-25.199.1
    * python3-base-3.4.10-25.199.1
    * python3-3.4.10-25.199.1
    * python3-base-debuginfo-3.4.10-25.199.1
    * libpython3_4m1_0-3.4.10-25.199.1
    * python3-curses-debuginfo-3.4.10-25.199.1
    * python3-debuginfo-3.4.10-25.199.1
    * python3-tk-3.4.10-25.199.1
    * python3-debugsource-3.4.10-25.199.1
    * python3-base-debugsource-3.4.10-25.199.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libpython3_4m1_0-32bit-3.4.10-25.199.1
    * python3-base-debuginfo-32bit-3.4.10-25.199.1
    * libpython3_4m1_0-debuginfo-32bit-3.4.10-25.199.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (ppc64le s390x x86_64)
    * python3-devel-debuginfo-3.4.10-25.199.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libpython3_4m1_0-debuginfo-3.4.10-25.199.1
    * python3-devel-3.4.10-25.199.1
    * python3-base-debuginfo-32bit-3.4.10-25.199.1
    * python3-tk-debuginfo-3.4.10-25.199.1
    * libpython3_4m1_0-debuginfo-32bit-3.4.10-25.199.1
    * python3-devel-debuginfo-3.4.10-25.199.1
    * libpython3_4m1_0-32bit-3.4.10-25.199.1
    * python3-curses-3.4.10-25.199.1
    * python3-base-3.4.10-25.199.1
    * python3-3.4.10-25.199.1
    * python3-base-debuginfo-3.4.10-25.199.1
    * libpython3_4m1_0-3.4.10-25.199.1
    * python3-curses-debuginfo-3.4.10-25.199.1
    * python3-debuginfo-3.4.10-25.199.1
    * python3-tk-3.4.10-25.199.1
    * python3-debugsource-3.4.10-25.199.1
    * python3-base-debugsource-3.4.10-25.199.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-4435.html
  * https://www.suse.com/security/cve/CVE-2026-15310.html
  * https://www.suse.com/security/cve/CVE-2026-15806.html
  * https://www.suse.com/security/cve/CVE-2026-17084.html
  * https://www.suse.com/security/cve/CVE-2026-18503.html
  * https://www.suse.com/security/cve/CVE-2026-19672.html
  * https://www.suse.com/security/cve/CVE-2026-3276.html
  * https://www.suse.com/security/cve/CVE-2026-6879.html
  * https://www.suse.com/security/cve/CVE-2026-7774.html
  * https://www.suse.com/security/cve/CVE-2026-82049.html
  * https://www.suse.com/security/cve/CVE-2026-9669.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1267974
  * https://bugzilla.suse.com/show_bug.cgi?id=1273148
  * https://bugzilla.suse.com/show_bug.cgi?id=1274683
  * https://bugzilla.suse.com/show_bug.cgi?id=1276223
  * https://bugzilla.suse.com/show_bug.cgi?id=1276226
  * https://bugzilla.suse.com/show_bug.cgi?id=1276227
  * https://bugzilla.suse.com/show_bug.cgi?id=1276903
  * https://bugzilla.suse.com/show_bug.cgi?id=1277111
  * https://bugzilla.suse.com/show_bug.cgi?id=1277271
  * https://bugzilla.suse.com/show_bug.cgi?id=1280459

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