Security update for python39

Announcement ID:	SUSE-SU-2026:1296-1
Release Date:	2026-04-13T12:32:58Z
Rating:	important
References:	bsc#1259611 bsc#1259734 bsc#1259735 bsc#1260026
Cross-References:	CVE-2025-13462 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-2026-3644 ( 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
Affected Products:	openSUSE Leap 15.3 openSUSE Leap 15.6 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server 15 SP5 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves four vulnerabilities can now be installed.

Description:

This update for python39 fixes the following issues:

• CVE-2025-13462: incorrect parsing of TarInfo when GNU long name and type AREGTYPE are combined can lead to misinterpretation of tar archives (bsc#1259611).
• CVE-2026-3644: incomplete control character validation in http.cookies can lead to input validation bypass (bsc#1259734).
• CVE-2026-4224: parsing XML with deeply nested DTD content models can lead to C stack overflow (bsc#1259735).
• CVE-2026-4519: failure to sanitize leading dashes in URLs in the webbrowser.open() API can lead to 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 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1296=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1296=1
• openSUSE Leap 15.3
  zypper in -t patch SUSE-2026-1296=1
• openSUSE Leap 15.6
  zypper in -t patch openSUSE-SLE-15.6-2026-1296=1

Package List:

• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • python39-curses-3.9.25-150300.4.99.1
  • python39-base-3.9.25-150300.4.99.1
  • python39-3.9.25-150300.4.99.1
  • python39-dbm-3.9.25-150300.4.99.1
  • libpython3_9-1_0-3.9.25-150300.4.99.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • python39-curses-3.9.25-150300.4.99.1
  • python39-base-3.9.25-150300.4.99.1
  • python39-3.9.25-150300.4.99.1
  • python39-dbm-3.9.25-150300.4.99.1
  • libpython3_9-1_0-3.9.25-150300.4.99.1
• openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)
  • python39-dbm-debuginfo-3.9.25-150300.4.99.1
  • python39-doc-devhelp-3.9.25-150300.4.99.1
  • python39-base-debuginfo-3.9.25-150300.4.99.1
  • python39-debuginfo-3.9.25-150300.4.99.1
  • libpython3_9-1_0-3.9.25-150300.4.99.1
  • python39-tk-3.9.25-150300.4.99.1
  • python39-curses-debuginfo-3.9.25-150300.4.99.1
  • python39-base-3.9.25-150300.4.99.1
  • python39-testsuite-debuginfo-3.9.25-150300.4.99.1
  • python39-doc-3.9.25-150300.4.99.1
  • libpython3_9-1_0-debuginfo-3.9.25-150300.4.99.1
  • python39-core-debugsource-3.9.25-150300.4.99.1
  • python39-curses-3.9.25-150300.4.99.1
  • python39-dbm-3.9.25-150300.4.99.1
  • python39-tk-debuginfo-3.9.25-150300.4.99.1
  • python39-3.9.25-150300.4.99.1
  • python39-tools-3.9.25-150300.4.99.1
  • python39-debugsource-3.9.25-150300.4.99.1
  • python39-idle-3.9.25-150300.4.99.1
  • python39-testsuite-3.9.25-150300.4.99.1
  • python39-devel-3.9.25-150300.4.99.1
• openSUSE Leap 15.3 (x86_64)
  • python39-32bit-3.9.25-150300.4.99.1
  • libpython3_9-1_0-32bit-debuginfo-3.9.25-150300.4.99.1
  • python39-32bit-debuginfo-3.9.25-150300.4.99.1
  • python39-base-32bit-debuginfo-3.9.25-150300.4.99.1
  • libpython3_9-1_0-32bit-3.9.25-150300.4.99.1
  • python39-base-32bit-3.9.25-150300.4.99.1
• openSUSE Leap 15.3 (aarch64_ilp32)
  • python39-base-64bit-3.9.25-150300.4.99.1
  • python39-64bit-3.9.25-150300.4.99.1
  • python39-64bit-debuginfo-3.9.25-150300.4.99.1
  • libpython3_9-1_0-64bit-3.9.25-150300.4.99.1
  • python39-base-64bit-debuginfo-3.9.25-150300.4.99.1
  • libpython3_9-1_0-64bit-debuginfo-3.9.25-150300.4.99.1
• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
  • python39-dbm-debuginfo-3.9.25-150300.4.99.1
  • python39-doc-devhelp-3.9.25-150300.4.99.1
  • python39-base-debuginfo-3.9.25-150300.4.99.1
  • python39-debuginfo-3.9.25-150300.4.99.1
  • libpython3_9-1_0-3.9.25-150300.4.99.1
  • python39-tk-3.9.25-150300.4.99.1
  • python39-curses-debuginfo-3.9.25-150300.4.99.1
  • python39-base-3.9.25-150300.4.99.1
  • python39-testsuite-debuginfo-3.9.25-150300.4.99.1
  • python39-doc-3.9.25-150300.4.99.1
  • libpython3_9-1_0-debuginfo-3.9.25-150300.4.99.1
  • python39-core-debugsource-3.9.25-150300.4.99.1
  • python39-curses-3.9.25-150300.4.99.1
  • python39-dbm-3.9.25-150300.4.99.1
  • python39-tk-debuginfo-3.9.25-150300.4.99.1
  • python39-3.9.25-150300.4.99.1
  • python39-tools-3.9.25-150300.4.99.1
  • python39-debugsource-3.9.25-150300.4.99.1
  • python39-idle-3.9.25-150300.4.99.1
  • python39-testsuite-3.9.25-150300.4.99.1
  • python39-devel-3.9.25-150300.4.99.1
• openSUSE Leap 15.6 (x86_64)
  • python39-32bit-3.9.25-150300.4.99.1
  • libpython3_9-1_0-32bit-debuginfo-3.9.25-150300.4.99.1
  • python39-32bit-debuginfo-3.9.25-150300.4.99.1
  • python39-base-32bit-debuginfo-3.9.25-150300.4.99.1
  • libpython3_9-1_0-32bit-3.9.25-150300.4.99.1
  • python39-base-32bit-3.9.25-150300.4.99.1

References:

• https://www.suse.com/security/cve/CVE-2025-13462.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=1260026