Security update for python310

Announcement ID:	SUSE-SU-2026:1947-1
Release Date:	2026-05-18T07:49:36Z
Rating:	important
References:	bsc#1258364 bsc#1261969 bsc#1261970 bsc#1262098 bsc#1262319 bsc#1262654
Cross-References:	CVE-2026-1502 CVE-2026-3446 CVE-2026-4786 CVE-2026-6019 CVE-2026-6100
CVSS scores:	CVE-2026-1502 ( SUSE ): 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 CVE-2026-1502 ( SUSE ): 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N CVE-2026-1502 ( 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-2026-3446 ( SUSE ): 6.0 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2026-3446 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N CVE-2026-3446 ( NVD ): 6.0 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/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 CVE-2026-4786 ( SUSE ): 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-2026-4786 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L CVE-2026-4786 ( 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-2026-6019 ( SUSE ): 2.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/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-2026-6019 ( SUSE ): 3.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N CVE-2026-6019 ( NVD ): 2.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/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-2026-6100 ( SUSE ): 9.1 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2026-6100 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-6100 ( NVD ): 9.1 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/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 15.4 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves five vulnerabilities and has one security fix can now be installed.

Description:

This update for python310 fixes the following issues

Security issues:

• CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF (bsc#1261969).
• CVE-2026-3446: base64 decoding stops at first padded quad by default (bsc#1261970).
• CVE-2026-4786: incomplete mitigation of , %action expansion for command injection to webbrowser.open() (bsc#1262319).
• CVE-2026-6019: BaseCookie.js_output() does not neutralize characters in cookie values embedded in JS (bsc#1262654).
• CVE-2026-6100: arbitrary code execution or information disclosure via use-after-free in decompression modules (bsc#1262098).

Non security issue:

• Conflicts between different versions of Python (bsc#1258364).

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-2026-1947=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1947=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1947=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1947=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1947=1

Package List:

• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
  • python310-tools-3.10.20-150400.4.112.1
  • python310-core-debugsource-3.10.20-150400.4.112.1
  • python310-dbm-debuginfo-3.10.20-150400.4.112.1
  • python310-tk-3.10.20-150400.4.112.1
  • python310-dbm-3.10.20-150400.4.112.1
  • python310-tk-debuginfo-3.10.20-150400.4.112.1
  • python310-doc-3.10.20-150400.4.112.1
  • python310-testsuite-3.10.20-150400.4.112.1
  • python310-doc-devhelp-3.10.20-150400.4.112.1
  • python310-devel-3.10.20-150400.4.112.1
  • python310-debugsource-3.10.20-150400.4.112.1
  • python310-testsuite-debuginfo-3.10.20-150400.4.112.1
  • libpython3_10-1_0-debuginfo-3.10.20-150400.4.112.1
  • python310-curses-debuginfo-3.10.20-150400.4.112.1
  • libpython3_10-1_0-3.10.20-150400.4.112.1
  • python310-base-debuginfo-3.10.20-150400.4.112.1
  • python310-base-3.10.20-150400.4.112.1
  • python310-idle-3.10.20-150400.4.112.1
  • python310-3.10.20-150400.4.112.1
  • python310-debuginfo-3.10.20-150400.4.112.1
  • python310-curses-3.10.20-150400.4.112.1
• openSUSE Leap 15.4 (x86_64)
  • python310-base-32bit-debuginfo-3.10.20-150400.4.112.1
  • python310-32bit-debuginfo-3.10.20-150400.4.112.1
  • python310-32bit-3.10.20-150400.4.112.1
  • libpython3_10-1_0-32bit-3.10.20-150400.4.112.1
  • libpython3_10-1_0-32bit-debuginfo-3.10.20-150400.4.112.1
  • python310-base-32bit-3.10.20-150400.4.112.1
• openSUSE Leap 15.4 (aarch64_ilp32)
  • libpython3_10-1_0-64bit-3.10.20-150400.4.112.1
  • python310-64bit-debuginfo-3.10.20-150400.4.112.1
  • python310-base-64bit-3.10.20-150400.4.112.1
  • python310-base-64bit-debuginfo-3.10.20-150400.4.112.1
  • python310-64bit-3.10.20-150400.4.112.1
  • libpython3_10-1_0-64bit-debuginfo-3.10.20-150400.4.112.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • python310-dbm-debuginfo-3.10.20-150400.4.112.1
  • python310-dbm-3.10.20-150400.4.112.1
  • python310-tk-3.10.20-150400.4.112.1
  • python310-tk-debuginfo-3.10.20-150400.4.112.1
  • python310-curses-debuginfo-3.10.20-150400.4.112.1
  • python310-3.10.20-150400.4.112.1
  • libpython3_10-1_0-3.10.20-150400.4.112.1
  • python310-base-debuginfo-3.10.20-150400.4.112.1
  • python310-idle-3.10.20-150400.4.112.1
  • python310-devel-3.10.20-150400.4.112.1
  • python310-tools-3.10.20-150400.4.112.1
  • python310-debuginfo-3.10.20-150400.4.112.1
  • python310-base-3.10.20-150400.4.112.1
  • python310-core-debugsource-3.10.20-150400.4.112.1
  • python310-debugsource-3.10.20-150400.4.112.1
  • python310-curses-3.10.20-150400.4.112.1
  • libpython3_10-1_0-debuginfo-3.10.20-150400.4.112.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • python310-dbm-debuginfo-3.10.20-150400.4.112.1
  • python310-dbm-3.10.20-150400.4.112.1
  • python310-tk-3.10.20-150400.4.112.1
  • python310-tk-debuginfo-3.10.20-150400.4.112.1
  • python310-curses-debuginfo-3.10.20-150400.4.112.1
  • python310-3.10.20-150400.4.112.1
  • libpython3_10-1_0-3.10.20-150400.4.112.1
  • python310-base-debuginfo-3.10.20-150400.4.112.1
  • python310-idle-3.10.20-150400.4.112.1
  • python310-devel-3.10.20-150400.4.112.1
  • python310-tools-3.10.20-150400.4.112.1
  • python310-debuginfo-3.10.20-150400.4.112.1
  • python310-base-3.10.20-150400.4.112.1
  • python310-core-debugsource-3.10.20-150400.4.112.1
  • python310-debugsource-3.10.20-150400.4.112.1
  • python310-curses-3.10.20-150400.4.112.1
  • libpython3_10-1_0-debuginfo-3.10.20-150400.4.112.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • python310-dbm-debuginfo-3.10.20-150400.4.112.1
  • python310-dbm-3.10.20-150400.4.112.1
  • python310-tk-3.10.20-150400.4.112.1
  • python310-tk-debuginfo-3.10.20-150400.4.112.1
  • python310-curses-debuginfo-3.10.20-150400.4.112.1
  • python310-3.10.20-150400.4.112.1
  • libpython3_10-1_0-3.10.20-150400.4.112.1
  • python310-base-debuginfo-3.10.20-150400.4.112.1
  • python310-idle-3.10.20-150400.4.112.1
  • python310-tools-3.10.20-150400.4.112.1
  • python310-devel-3.10.20-150400.4.112.1
  • python310-debuginfo-3.10.20-150400.4.112.1
  • python310-base-3.10.20-150400.4.112.1
  • python310-core-debugsource-3.10.20-150400.4.112.1
  • python310-debugsource-3.10.20-150400.4.112.1
  • python310-curses-3.10.20-150400.4.112.1
  • libpython3_10-1_0-debuginfo-3.10.20-150400.4.112.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • python310-dbm-debuginfo-3.10.20-150400.4.112.1
  • python310-dbm-3.10.20-150400.4.112.1
  • python310-tk-3.10.20-150400.4.112.1
  • python310-tk-debuginfo-3.10.20-150400.4.112.1
  • python310-curses-debuginfo-3.10.20-150400.4.112.1
  • python310-3.10.20-150400.4.112.1
  • libpython3_10-1_0-3.10.20-150400.4.112.1
  • python310-base-debuginfo-3.10.20-150400.4.112.1
  • python310-idle-3.10.20-150400.4.112.1
  • python310-devel-3.10.20-150400.4.112.1
  • python310-tools-3.10.20-150400.4.112.1
  • python310-debuginfo-3.10.20-150400.4.112.1
  • python310-base-3.10.20-150400.4.112.1
  • python310-core-debugsource-3.10.20-150400.4.112.1
  • python310-debugsource-3.10.20-150400.4.112.1
  • python310-curses-3.10.20-150400.4.112.1
  • libpython3_10-1_0-debuginfo-3.10.20-150400.4.112.1

References:

• https://www.suse.com/security/cve/CVE-2026-1502.html
• https://www.suse.com/security/cve/CVE-2026-3446.html
• https://www.suse.com/security/cve/CVE-2026-4786.html
• https://www.suse.com/security/cve/CVE-2026-6019.html
• https://www.suse.com/security/cve/CVE-2026-6100.html
• https://bugzilla.suse.com/show_bug.cgi?id=1258364
• https://bugzilla.suse.com/show_bug.cgi?id=1261969
• https://bugzilla.suse.com/show_bug.cgi?id=1261970
• https://bugzilla.suse.com/show_bug.cgi?id=1262098
• https://bugzilla.suse.com/show_bug.cgi?id=1262319
• https://bugzilla.suse.com/show_bug.cgi?id=1262654