Security update for python312

Announcement ID:	SUSE-SU-2026:2055-1
Release Date:	2026-05-25T14:02:53Z
Rating:	important
References:	bsc#1261969 bsc#1262098 bsc#1262319 bsc#1262654
Cross-References:	CVE-2026-1502 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-2026-4786 ( 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-2026-6019 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N 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 15.6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server 15 SP6 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP6

An update that solves four vulnerabilities can now be installed.

Description:

This update for python312 fixes the following issues

• CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF (bsc#1261969).
• 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).

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 15.6
  zypper in -t patch SUSE-2026-2055=1
• SUSE Linux Enterprise Server 15 SP6 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2055=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2055=1

Package List:

• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
  • python312-dbm-3.12.13-150600.3.59.1
  • libpython3_12-1_0-3.12.13-150600.3.59.1
  • python312-testsuite-3.12.13-150600.3.59.1
  • libpython3_12-1_0-debuginfo-3.12.13-150600.3.59.1
  • python312-tools-3.12.13-150600.3.59.1
  • python312-curses-3.12.13-150600.3.59.1
  • python312-debuginfo-3.12.13-150600.3.59.1
  • python312-testsuite-debuginfo-3.12.13-150600.3.59.1
  • python312-debugsource-3.12.13-150600.3.59.1
  • python312-devel-3.12.13-150600.3.59.1
  • python312-tk-3.12.13-150600.3.59.1
  • python312-core-debugsource-3.12.13-150600.3.59.1
  • python312-tk-debuginfo-3.12.13-150600.3.59.1
  • python312-base-3.12.13-150600.3.59.1
  • python312-curses-debuginfo-3.12.13-150600.3.59.1
  • python312-doc-3.12.13-150600.3.59.1
  • python312-base-debuginfo-3.12.13-150600.3.59.1
  • python312-dbm-debuginfo-3.12.13-150600.3.59.1
  • python312-idle-3.12.13-150600.3.59.1
  • python312-doc-devhelp-3.12.13-150600.3.59.1
  • python312-3.12.13-150600.3.59.1
• openSUSE Leap 15.6 (x86_64)
  • python312-32bit-debuginfo-3.12.13-150600.3.59.1
  • python312-32bit-3.12.13-150600.3.59.1
  • libpython3_12-1_0-32bit-3.12.13-150600.3.59.1
  • libpython3_12-1_0-32bit-debuginfo-3.12.13-150600.3.59.1
  • python312-base-32bit-debuginfo-3.12.13-150600.3.59.1
  • python312-base-32bit-3.12.13-150600.3.59.1
• openSUSE Leap 15.6 (aarch64_ilp32)
  • libpython3_12-1_0-64bit-3.12.13-150600.3.59.1
  • python312-base-64bit-debuginfo-3.12.13-150600.3.59.1
  • python312-64bit-debuginfo-3.12.13-150600.3.59.1
  • python312-64bit-3.12.13-150600.3.59.1
  • python312-base-64bit-3.12.13-150600.3.59.1
  • libpython3_12-1_0-64bit-debuginfo-3.12.13-150600.3.59.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
  • python312-dbm-3.12.13-150600.3.59.1
  • libpython3_12-1_0-3.12.13-150600.3.59.1
  • python312-curses-debuginfo-3.12.13-150600.3.59.1
  • python312-tk-3.12.13-150600.3.59.1
  • python312-base-debuginfo-3.12.13-150600.3.59.1
  • python312-dbm-debuginfo-3.12.13-150600.3.59.1
  • python312-idle-3.12.13-150600.3.59.1
  • python312-curses-3.12.13-150600.3.59.1
  • python312-debuginfo-3.12.13-150600.3.59.1
  • libpython3_12-1_0-debuginfo-3.12.13-150600.3.59.1
  • python312-3.12.13-150600.3.59.1
  • python312-tools-3.12.13-150600.3.59.1
  • python312-core-debugsource-3.12.13-150600.3.59.1
  • python312-debugsource-3.12.13-150600.3.59.1
  • python312-tk-debuginfo-3.12.13-150600.3.59.1
  • python312-devel-3.12.13-150600.3.59.1
  • python312-base-3.12.13-150600.3.59.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
  • python312-dbm-3.12.13-150600.3.59.1
  • libpython3_12-1_0-3.12.13-150600.3.59.1
  • python312-tk-3.12.13-150600.3.59.1
  • python312-curses-debuginfo-3.12.13-150600.3.59.1
  • python312-base-debuginfo-3.12.13-150600.3.59.1
  • python312-dbm-debuginfo-3.12.13-150600.3.59.1
  • python312-idle-3.12.13-150600.3.59.1
  • python312-curses-3.12.13-150600.3.59.1
  • python312-debuginfo-3.12.13-150600.3.59.1
  • libpython3_12-1_0-debuginfo-3.12.13-150600.3.59.1
  • python312-3.12.13-150600.3.59.1
  • python312-tools-3.12.13-150600.3.59.1
  • python312-core-debugsource-3.12.13-150600.3.59.1
  • python312-debugsource-3.12.13-150600.3.59.1
  • python312-tk-debuginfo-3.12.13-150600.3.59.1
  • python312-devel-3.12.13-150600.3.59.1
  • python312-base-3.12.13-150600.3.59.1

References:

• https://www.suse.com/security/cve/CVE-2026-1502.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=1261969
• 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