SUSE-SU-2026:1385-1: important: Security update for python3

SLE-SECURITY-UPDATES null at suse.de
Thu Apr 16 16:31:46 UTC 2026 


# Security update for python3

Announcement ID: SUSE-SU-2026:1385-1  
Release Date: 2026-04-16T09:16:55Z  
Rating: important  
References:

  * bsc#1259611
  * bsc#1259734
  * bsc#1259735
  * bsc#1259989
  * bsc#1260026

  
Cross-References:

  * CVE-2025-13462
  * CVE-2026-3479
  * CVE-2026-3644
  * CVE-2026-4224
  * CVE-2026-4519

  
CVSS scores:

  * CVE-2025-13462 ( SUSE ):  2.0
    CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-13462 ( SUSE ):  2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
  * CVE-2025-13462 ( NVD ):  2.0
    CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/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-2026-3479 ( SUSE ):  2.0
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-3479 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-3479 ( NVD ):  0.0
    CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/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-2026-3644 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-3644 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-3644 ( 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
  * CVE-2026-4224 ( 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-2026-4224 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-4224 ( NVD ):  6.0
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/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
  * CVE-2026-4519 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:L/SI:H/SA:N
  * CVE-2026-4519 ( SUSE ):  6.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N
  * CVE-2026-4519 ( NVD ):  7.0
    CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/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-2026-4519 ( NVD ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

  
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 five vulnerabilities can now be installed.

## Description:

This update for python3 fixes the following issues:

  * CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and
    type AREGTYPE are combined (bsc#1259611).
  * CVE-2026-3479: improper resource argument validation can allow path
    traversal (bsc#1259989).
  * CVE-2026-3644: incomplete control character validation in http.cookies
    (bsc#1259734).
  * CVE-2026-4224: C stack overflow when parsing XML with deeply nested DTD
    content models (bsc#1259735).
  * CVE-2026-4519: leading dashes in URLs are accepted by the
    `webbrowser.open()` API and allow for web browser command line option
    injection (bsc#1260026).

## 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-2026-1385=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1385=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * python3-tk-debuginfo-3.4.10-25.180.1
    * libpython3_4m1_0-debuginfo-3.4.10-25.180.1
    * python3-debugsource-3.4.10-25.180.1
    * python3-base-debuginfo-3.4.10-25.180.1
    * python3-tk-3.4.10-25.180.1
    * python3-devel-3.4.10-25.180.1
    * python3-debuginfo-3.4.10-25.180.1
    * python3-base-debugsource-3.4.10-25.180.1
    * python3-3.4.10-25.180.1
    * libpython3_4m1_0-3.4.10-25.180.1
    * python3-curses-debuginfo-3.4.10-25.180.1
    * python3-curses-3.4.10-25.180.1
    * python3-base-3.4.10-25.180.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (ppc64le s390x x86_64)
    * python3-devel-debuginfo-3.4.10-25.180.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * python3-base-debuginfo-32bit-3.4.10-25.180.1
    * libpython3_4m1_0-debuginfo-32bit-3.4.10-25.180.1
    * libpython3_4m1_0-32bit-3.4.10-25.180.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * python3-tk-debuginfo-3.4.10-25.180.1
    * libpython3_4m1_0-debuginfo-3.4.10-25.180.1
    * python3-debugsource-3.4.10-25.180.1
    * python3-base-debuginfo-3.4.10-25.180.1
    * libpython3_4m1_0-debuginfo-32bit-3.4.10-25.180.1
    * python3-base-debuginfo-32bit-3.4.10-25.180.1
    * python3-devel-3.4.10-25.180.1
    * python3-tk-3.4.10-25.180.1
    * python3-debuginfo-3.4.10-25.180.1
    * python3-base-debugsource-3.4.10-25.180.1
    * python3-3.4.10-25.180.1
    * libpython3_4m1_0-3.4.10-25.180.1
    * python3-curses-debuginfo-3.4.10-25.180.1
    * python3-curses-3.4.10-25.180.1
    * libpython3_4m1_0-32bit-3.4.10-25.180.1
    * python3-devel-debuginfo-3.4.10-25.180.1
    * python3-base-3.4.10-25.180.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-13462.html
  * https://www.suse.com/security/cve/CVE-2026-3479.html
  * https://www.suse.com/security/cve/CVE-2026-3644.html
  * https://www.suse.com/security/cve/CVE-2026-4224.html
  * https://www.suse.com/security/cve/CVE-2026-4519.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1259611
  * https://bugzilla.suse.com/show_bug.cgi?id=1259734
  * https://bugzilla.suse.com/show_bug.cgi?id=1259735
  * https://bugzilla.suse.com/show_bug.cgi?id=1259989
  * https://bugzilla.suse.com/show_bug.cgi?id=1260026

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