Security update for python311

Announcement ID:	SUSE-SU-2026:0693-1
Release Date:	2026-02-27T15:14:10Z
Rating:	important
References:	bsc#1257029 bsc#1257031 bsc#1257041 bsc#1257042 bsc#1257044 bsc#1257046 bsc#1257108
Cross-References:	CVE-2025-11468 CVE-2025-12781 CVE-2025-15282 CVE-2025-15366 CVE-2025-15367 CVE-2026-0672 CVE-2026-0865
CVSS scores:	CVE-2025-11468 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2025-11468 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVE-2025-11468 ( NVD ): 5.7 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/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-2025-12781 ( SUSE ): 2.0 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-12781 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVE-2025-12781 ( NVD ): 6.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/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-2025-12781 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVE-2025-15282 ( SUSE ): 5.9 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-15282 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2025-15282 ( NVD ): 6.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/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-2025-15366 ( SUSE ): 6.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-15366 ( SUSE ): 6.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H CVE-2025-15366 ( NVD ): 5.9 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/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-2025-15367 ( SUSE ): 6.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-15367 ( SUSE ): 6.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H CVE-2025-15367 ( NVD ): 5.9 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/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-2026-0672 ( 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-2026-0672 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVE-2026-0672 ( 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-2026-0865 ( SUSE ): 5.9 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2026-0865 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2026-0865 ( NVD ): 5.9 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/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
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 seven vulnerabilities can now be installed.

Description:

This update for python311 fixes the following issues:

• CVE-2025-11468: header injection when folding a long comment in an email header containing exclusively unfoldable characters (bsc#1257029).
• CVE-2025-12781: inadequate parameter check can cause data integrity issues (bsc#1257108).
• CVE-2025-15282: user-controlled data URLs parsed may allow injecting headers (bsc#1257046).
• CVE-2025-15366: user-controlled command can allow additional commands injected using newlines (bsc#1257044).
• CVE-2025-15367: control characters may allow the injection of additional commands (bsc#1257041).
• CVE-2026-0672: HTTP header injection via user-controlled cookie values and parameters when using http.cookies.Morsel (bsc#1257031).
• CVE-2026-0865: user-controlled header containing newlines can allow injecting HTTP headers (bsc#1257042).

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:

• openSUSE Leap 15.4
  zypper in -t patch SUSE-2026-693=1
• Public Cloud Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-693=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-693=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-693=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-693=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-693=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-693=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-693=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-693=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-693=1

Package List:

• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
  • python311-testsuite-debuginfo-3.11.14-150400.9.75.1
  • python311-devel-3.11.14-150400.9.75.1
  • python311-doc-devhelp-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
  • libpython3_11-1_0-debuginfo-3.11.14-150400.9.75.1
  • python311-testsuite-3.11.14-150400.9.75.1
  • python311-tools-3.11.14-150400.9.75.1
  • python311-curses-3.11.14-150400.9.75.1
  • python311-dbm-3.11.14-150400.9.75.1
  • python311-dbm-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-debugsource-3.11.14-150400.9.75.1
  • python311-idle-3.11.14-150400.9.75.1
  • python311-core-debugsource-3.11.14-150400.9.75.1
  • python311-doc-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-curses-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-debuginfo-3.11.14-150400.9.75.1
  • python311-debuginfo-3.11.14-150400.9.75.1
  • python311-base-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-3.11.14-150400.9.75.1
• openSUSE Leap 15.4 (x86_64)
  • python311-32bit-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-32bit-3.11.14-150400.9.75.1
  • libpython3_11-1_0-32bit-debuginfo-3.11.14-150400.9.75.1
  • python311-32bit-3.11.14-150400.9.75.1
  • python311-base-32bit-3.11.14-150400.9.75.1
  • python311-base-32bit-debuginfo-3.11.14-150400.9.75.1
• openSUSE Leap 15.4 (aarch64_ilp32)
  • libpython3_11-1_0-64bit-3.11.14-150400.9.75.1
  • python311-64bit-debuginfo-3.11.14-150400.9.75.1
  • python311-base-64bit-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-64bit-debuginfo-3.11.14-150400.9.75.1
  • python311-base-64bit-3.11.14-150400.9.75.1
  • python311-64bit-3.11.14-150400.9.75.1
• Public Cloud Module 15-SP4 (aarch64 ppc64le s390x x86_64)
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-core-debugsource-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
  • python311-doc-3.11.14-150400.9.75.1
  • python311-debugsource-3.11.14-150400.9.75.1
  • python311-tools-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-curses-3.11.14-150400.9.75.1
  • python311-curses-debuginfo-3.11.14-150400.9.75.1
  • python311-debuginfo-3.11.14-150400.9.75.1
  • python311-dbm-3.11.14-150400.9.75.1
  • python311-devel-3.11.14-150400.9.75.1
  • python311-doc-devhelp-3.11.14-150400.9.75.1
  • python311-tk-debuginfo-3.11.14-150400.9.75.1
  • python311-base-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-3.11.14-150400.9.75.1
  • python311-idle-3.11.14-150400.9.75.1
  • python311-dbm-debuginfo-3.11.14-150400.9.75.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-core-debugsource-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
  • python311-doc-3.11.14-150400.9.75.1
  • python311-debugsource-3.11.14-150400.9.75.1
  • python311-tools-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-curses-3.11.14-150400.9.75.1
  • python311-curses-debuginfo-3.11.14-150400.9.75.1
  • python311-debuginfo-3.11.14-150400.9.75.1
  • python311-dbm-3.11.14-150400.9.75.1
  • python311-devel-3.11.14-150400.9.75.1
  • python311-doc-devhelp-3.11.14-150400.9.75.1
  • python311-tk-debuginfo-3.11.14-150400.9.75.1
  • python311-base-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-3.11.14-150400.9.75.1
  • python311-idle-3.11.14-150400.9.75.1
  • python311-dbm-debuginfo-3.11.14-150400.9.75.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-core-debugsource-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
  • python311-doc-3.11.14-150400.9.75.1
  • python311-debugsource-3.11.14-150400.9.75.1
  • python311-tools-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-curses-3.11.14-150400.9.75.1
  • python311-curses-debuginfo-3.11.14-150400.9.75.1
  • python311-debuginfo-3.11.14-150400.9.75.1
  • python311-dbm-3.11.14-150400.9.75.1
  • python311-devel-3.11.14-150400.9.75.1
  • python311-doc-devhelp-3.11.14-150400.9.75.1
  • python311-tk-debuginfo-3.11.14-150400.9.75.1
  • python311-base-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-3.11.14-150400.9.75.1
  • python311-idle-3.11.14-150400.9.75.1
  • python311-dbm-debuginfo-3.11.14-150400.9.75.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-core-debugsource-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
  • python311-doc-3.11.14-150400.9.75.1
  • python311-debugsource-3.11.14-150400.9.75.1
  • python311-tools-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-curses-3.11.14-150400.9.75.1
  • python311-curses-debuginfo-3.11.14-150400.9.75.1
  • python311-debuginfo-3.11.14-150400.9.75.1
  • python311-dbm-3.11.14-150400.9.75.1
  • python311-devel-3.11.14-150400.9.75.1
  • python311-doc-devhelp-3.11.14-150400.9.75.1
  • python311-tk-debuginfo-3.11.14-150400.9.75.1
  • python311-base-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-3.11.14-150400.9.75.1
  • python311-idle-3.11.14-150400.9.75.1
  • python311-dbm-debuginfo-3.11.14-150400.9.75.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-core-debugsource-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
  • python311-doc-3.11.14-150400.9.75.1
  • python311-debugsource-3.11.14-150400.9.75.1
  • python311-tools-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-curses-3.11.14-150400.9.75.1
  • python311-curses-debuginfo-3.11.14-150400.9.75.1
  • python311-debuginfo-3.11.14-150400.9.75.1
  • python311-dbm-3.11.14-150400.9.75.1
  • python311-devel-3.11.14-150400.9.75.1
  • python311-doc-devhelp-3.11.14-150400.9.75.1
  • python311-tk-debuginfo-3.11.14-150400.9.75.1
  • python311-base-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-3.11.14-150400.9.75.1
  • python311-idle-3.11.14-150400.9.75.1
  • python311-dbm-debuginfo-3.11.14-150400.9.75.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-core-debugsource-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
  • python311-doc-3.11.14-150400.9.75.1
  • python311-debugsource-3.11.14-150400.9.75.1
  • python311-tools-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-curses-3.11.14-150400.9.75.1
  • python311-curses-debuginfo-3.11.14-150400.9.75.1
  • python311-debuginfo-3.11.14-150400.9.75.1
  • python311-dbm-3.11.14-150400.9.75.1
  • python311-devel-3.11.14-150400.9.75.1
  • python311-doc-devhelp-3.11.14-150400.9.75.1
  • python311-tk-debuginfo-3.11.14-150400.9.75.1
  • python311-base-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-3.11.14-150400.9.75.1
  • python311-idle-3.11.14-150400.9.75.1
  • python311-dbm-debuginfo-3.11.14-150400.9.75.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-core-debugsource-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
  • python311-doc-3.11.14-150400.9.75.1
  • python311-debugsource-3.11.14-150400.9.75.1
  • python311-tools-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-curses-3.11.14-150400.9.75.1
  • python311-curses-debuginfo-3.11.14-150400.9.75.1
  • python311-debuginfo-3.11.14-150400.9.75.1
  • python311-dbm-3.11.14-150400.9.75.1
  • python311-devel-3.11.14-150400.9.75.1
  • python311-doc-devhelp-3.11.14-150400.9.75.1
  • python311-tk-debuginfo-3.11.14-150400.9.75.1
  • python311-base-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-3.11.14-150400.9.75.1
  • python311-idle-3.11.14-150400.9.75.1
  • python311-dbm-debuginfo-3.11.14-150400.9.75.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • libpython3_11-1_0-3.11.14-150400.9.75.1
  • python311-core-debugsource-3.11.14-150400.9.75.1
  • python311-base-3.11.14-150400.9.75.1
  • python311-doc-3.11.14-150400.9.75.1
  • python311-debugsource-3.11.14-150400.9.75.1
  • python311-tools-3.11.14-150400.9.75.1
  • python311-3.11.14-150400.9.75.1
  • python311-curses-3.11.14-150400.9.75.1
  • python311-curses-debuginfo-3.11.14-150400.9.75.1
  • python311-debuginfo-3.11.14-150400.9.75.1
  • python311-dbm-3.11.14-150400.9.75.1
  • python311-devel-3.11.14-150400.9.75.1
  • python311-doc-devhelp-3.11.14-150400.9.75.1
  • python311-tk-debuginfo-3.11.14-150400.9.75.1
  • python311-base-debuginfo-3.11.14-150400.9.75.1
  • libpython3_11-1_0-debuginfo-3.11.14-150400.9.75.1
  • python311-tk-3.11.14-150400.9.75.1
  • python311-idle-3.11.14-150400.9.75.1
  • python311-dbm-debuginfo-3.11.14-150400.9.75.1

References:

• https://www.suse.com/security/cve/CVE-2025-11468.html
• https://www.suse.com/security/cve/CVE-2025-12781.html
• https://www.suse.com/security/cve/CVE-2025-15282.html
• https://www.suse.com/security/cve/CVE-2025-15366.html
• https://www.suse.com/security/cve/CVE-2025-15367.html
• https://www.suse.com/security/cve/CVE-2026-0672.html
• https://www.suse.com/security/cve/CVE-2026-0865.html
• https://bugzilla.suse.com/show_bug.cgi?id=1257029
• https://bugzilla.suse.com/show_bug.cgi?id=1257031
• https://bugzilla.suse.com/show_bug.cgi?id=1257041
• https://bugzilla.suse.com/show_bug.cgi?id=1257042
• https://bugzilla.suse.com/show_bug.cgi?id=1257044
• https://bugzilla.suse.com/show_bug.cgi?id=1257046
• https://bugzilla.suse.com/show_bug.cgi?id=1257108