Security update for python311

Announcement ID:	SUSE-SU-2026:1530-1
Release Date:	2026-04-21T11:04:59Z
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:	openSUSE Leap 15.4 Public Cloud Module 15-SP4 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 for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3

An update that solves five vulnerabilities can now be installed.

Description:

This update for python311 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: python: 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 High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1530=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1530=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1530=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1530=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1530=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1530=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1530=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1530=1
• openSUSE Leap 15.4
  zypper in -t patch SUSE-2026-1530=1
• Public Cloud Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-1530=1

Package List:

• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • python311-base-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-3.11.15-150400.9.85.1
  • python311-curses-3.11.15-150400.9.85.1
  • python311-idle-3.11.15-150400.9.85.1
  • python311-debugsource-3.11.15-150400.9.85.1
  • python311-devel-3.11.15-150400.9.85.1
  • python311-core-debugsource-3.11.15-150400.9.85.1
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-curses-debuginfo-3.11.15-150400.9.85.1
  • python311-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-debuginfo-3.11.15-150400.9.85.1
  • python311-doc-3.11.15-150400.9.85.1
  • python311-doc-devhelp-3.11.15-150400.9.85.1
  • python311-tk-3.11.15-150400.9.85.1
  • python311-tk-debuginfo-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1
  • python311-tools-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • python311-base-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-3.11.15-150400.9.85.1
  • python311-curses-3.11.15-150400.9.85.1
  • python311-idle-3.11.15-150400.9.85.1
  • python311-debugsource-3.11.15-150400.9.85.1
  • python311-devel-3.11.15-150400.9.85.1
  • python311-core-debugsource-3.11.15-150400.9.85.1
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-curses-debuginfo-3.11.15-150400.9.85.1
  • python311-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-debuginfo-3.11.15-150400.9.85.1
  • python311-doc-3.11.15-150400.9.85.1
  • python311-doc-devhelp-3.11.15-150400.9.85.1
  • python311-tk-3.11.15-150400.9.85.1
  • python311-tk-debuginfo-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1
  • python311-tools-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • python311-base-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-3.11.15-150400.9.85.1
  • python311-curses-3.11.15-150400.9.85.1
  • python311-idle-3.11.15-150400.9.85.1
  • python311-debugsource-3.11.15-150400.9.85.1
  • python311-devel-3.11.15-150400.9.85.1
  • python311-core-debugsource-3.11.15-150400.9.85.1
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-curses-debuginfo-3.11.15-150400.9.85.1
  • python311-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-debuginfo-3.11.15-150400.9.85.1
  • python311-doc-3.11.15-150400.9.85.1
  • python311-doc-devhelp-3.11.15-150400.9.85.1
  • python311-tk-3.11.15-150400.9.85.1
  • python311-tk-debuginfo-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1
  • python311-tools-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • python311-base-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-3.11.15-150400.9.85.1
  • python311-curses-3.11.15-150400.9.85.1
  • python311-idle-3.11.15-150400.9.85.1
  • python311-debugsource-3.11.15-150400.9.85.1
  • python311-devel-3.11.15-150400.9.85.1
  • python311-core-debugsource-3.11.15-150400.9.85.1
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-curses-debuginfo-3.11.15-150400.9.85.1
  • python311-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-debuginfo-3.11.15-150400.9.85.1
  • python311-doc-3.11.15-150400.9.85.1
  • python311-doc-devhelp-3.11.15-150400.9.85.1
  • python311-tk-3.11.15-150400.9.85.1
  • python311-tk-debuginfo-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1
  • python311-tools-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • python311-base-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-3.11.15-150400.9.85.1
  • python311-curses-3.11.15-150400.9.85.1
  • python311-idle-3.11.15-150400.9.85.1
  • python311-debugsource-3.11.15-150400.9.85.1
  • python311-devel-3.11.15-150400.9.85.1
  • python311-core-debugsource-3.11.15-150400.9.85.1
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-curses-debuginfo-3.11.15-150400.9.85.1
  • python311-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-debuginfo-3.11.15-150400.9.85.1
  • python311-doc-3.11.15-150400.9.85.1
  • python311-doc-devhelp-3.11.15-150400.9.85.1
  • python311-tk-3.11.15-150400.9.85.1
  • python311-tk-debuginfo-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1
  • python311-tools-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • python311-base-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-3.11.15-150400.9.85.1
  • python311-curses-3.11.15-150400.9.85.1
  • python311-idle-3.11.15-150400.9.85.1
  • python311-debugsource-3.11.15-150400.9.85.1
  • python311-devel-3.11.15-150400.9.85.1
  • python311-core-debugsource-3.11.15-150400.9.85.1
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-curses-debuginfo-3.11.15-150400.9.85.1
  • python311-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-debuginfo-3.11.15-150400.9.85.1
  • python311-doc-3.11.15-150400.9.85.1
  • python311-doc-devhelp-3.11.15-150400.9.85.1
  • python311-tk-3.11.15-150400.9.85.1
  • python311-tk-debuginfo-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1
  • python311-tools-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • python311-base-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-3.11.15-150400.9.85.1
  • python311-curses-3.11.15-150400.9.85.1
  • python311-idle-3.11.15-150400.9.85.1
  • python311-debugsource-3.11.15-150400.9.85.1
  • python311-devel-3.11.15-150400.9.85.1
  • python311-core-debugsource-3.11.15-150400.9.85.1
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-curses-debuginfo-3.11.15-150400.9.85.1
  • python311-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-debuginfo-3.11.15-150400.9.85.1
  • python311-doc-3.11.15-150400.9.85.1
  • python311-doc-devhelp-3.11.15-150400.9.85.1
  • python311-tk-3.11.15-150400.9.85.1
  • python311-tk-debuginfo-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1
  • python311-tools-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • python311-base-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-3.11.15-150400.9.85.1
  • python311-curses-3.11.15-150400.9.85.1
  • python311-idle-3.11.15-150400.9.85.1
  • python311-debugsource-3.11.15-150400.9.85.1
  • python311-devel-3.11.15-150400.9.85.1
  • python311-core-debugsource-3.11.15-150400.9.85.1
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-curses-debuginfo-3.11.15-150400.9.85.1
  • python311-debuginfo-3.11.15-150400.9.85.1
  • python311-dbm-debuginfo-3.11.15-150400.9.85.1
  • python311-doc-3.11.15-150400.9.85.1
  • python311-doc-devhelp-3.11.15-150400.9.85.1
  • python311-tk-3.11.15-150400.9.85.1
  • python311-tk-debuginfo-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1
  • python311-tools-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1
• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
  • python311-curses-3.11.15-150400.9.85.1
  • python311-core-debugsource-3.11.15-150400.9.85.1
  • python311-dbm-3.11.15-150400.9.85.1
  • python311-curses-debuginfo-3.11.15-150400.9.85.1
  • python311-testsuite-debuginfo-3.11.15-150400.9.85.1
  • python311-idle-3.11.15-150400.9.85.1
  • python311-testsuite-3.11.15-150400.9.85.1
  • python311-dbm-debuginfo-3.11.15-150400.9.85.1
  • python311-tk-3.11.15-150400.9.85.1
  • python311-doc-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • libpython3_11-1_0-debuginfo-3.11.15-150400.9.85.1
  • python311-base-debuginfo-3.11.15-150400.9.85.1
  • python311-debugsource-3.11.15-150400.9.85.1
  • python311-devel-3.11.15-150400.9.85.1
  • python311-tk-debuginfo-3.11.15-150400.9.85.1
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-debuginfo-3.11.15-150400.9.85.1
  • python311-tools-3.11.15-150400.9.85.1
  • python311-doc-devhelp-3.11.15-150400.9.85.1
• openSUSE Leap 15.4 (x86_64)
  • libpython3_11-1_0-32bit-debuginfo-3.11.15-150400.9.85.1
  • python311-32bit-debuginfo-3.11.15-150400.9.85.1
  • python311-base-32bit-debuginfo-3.11.15-150400.9.85.1
  • python311-32bit-3.11.15-150400.9.85.1
  • python311-base-32bit-3.11.15-150400.9.85.1
  • libpython3_11-1_0-32bit-3.11.15-150400.9.85.1
• openSUSE Leap 15.4 (aarch64_ilp32)
  • libpython3_11-1_0-64bit-3.11.15-150400.9.85.1
  • python311-base-64bit-3.11.15-150400.9.85.1
  • libpython3_11-1_0-64bit-debuginfo-3.11.15-150400.9.85.1
  • python311-64bit-3.11.15-150400.9.85.1
  • python311-base-64bit-debuginfo-3.11.15-150400.9.85.1
  • python311-64bit-debuginfo-3.11.15-150400.9.85.1
• Public Cloud Module 15-SP4 (aarch64 ppc64le s390x x86_64)
  • libpython3_11-1_0-3.11.15-150400.9.85.1
  • python311-3.11.15-150400.9.85.1
  • python311-base-3.11.15-150400.9.85.1

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