Security update for python311

Announcement ID: SUSE-SU-2026:2298-1
Release Date: 2026-06-08T10:17:21Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • 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
Affected Products:
  • Basesystem Module 15-SP7
  • openSUSE Leap 15.6
  • Python 3 Module 15-SP7
  • SUSE Linux Enterprise Desktop 15 SP7
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7

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

Description:

This update for python311 fixes the following issues:

  • CVE-2026-3446: Base64 decoding stops at first padded quad by default (bsc#1261970).

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-2026-2298=1
  • Basesystem Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2298=1
  • Python 3 Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-2298=1

Package List:

  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    • python311-testsuite-3.11.15-150600.3.56.1
    • python311-3.11.15-150600.3.56.1
    • python311-tk-3.11.15-150600.3.56.1
    • python311-base-3.11.15-150600.3.56.1
    • python311-tk-debuginfo-3.11.15-150600.3.56.1
    • python311-base-debuginfo-3.11.15-150600.3.56.1
    • python311-devel-3.11.15-150600.3.56.1
    • python311-debuginfo-3.11.15-150600.3.56.1
    • python311-dbm-3.11.15-150600.3.56.1
    • python311-idle-3.11.15-150600.3.56.1
    • python311-testsuite-debuginfo-3.11.15-150600.3.56.1
    • python311-core-debugsource-3.11.15-150600.3.56.1
    • python311-doc-devhelp-3.11.15-150600.3.56.1
    • libpython3_11-1_0-debuginfo-3.11.15-150600.3.56.1
    • python311-curses-debuginfo-3.11.15-150600.3.56.1
    • python311-debugsource-3.11.15-150600.3.56.1
    • python311-dbm-debuginfo-3.11.15-150600.3.56.1
    • python311-curses-3.11.15-150600.3.56.1
    • python311-doc-3.11.15-150600.3.56.1
    • python311-tools-3.11.15-150600.3.56.1
    • libpython3_11-1_0-3.11.15-150600.3.56.1
  • openSUSE Leap 15.6 (aarch64_ilp32)
    • libpython3_11-1_0-64bit-3.11.15-150600.3.56.1
    • python311-64bit-debuginfo-3.11.15-150600.3.56.1
    • libpython3_11-1_0-64bit-debuginfo-3.11.15-150600.3.56.1
    • python311-base-64bit-3.11.15-150600.3.56.1
    • python311-base-64bit-debuginfo-3.11.15-150600.3.56.1
    • python311-64bit-3.11.15-150600.3.56.1
  • openSUSE Leap 15.6 (x86_64)
    • libpython3_11-1_0-32bit-debuginfo-3.11.15-150600.3.56.1
    • python311-32bit-debuginfo-3.11.15-150600.3.56.1
    • python311-base-32bit-debuginfo-3.11.15-150600.3.56.1
    • python311-base-32bit-3.11.15-150600.3.56.1
    • python311-32bit-3.11.15-150600.3.56.1
    • libpython3_11-1_0-32bit-3.11.15-150600.3.56.1
  • Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • libpython3_11-1_0-debuginfo-3.11.15-150600.3.56.1
    • python311-core-debugsource-3.11.15-150600.3.56.1
    • python311-base-debuginfo-3.11.15-150600.3.56.1
    • python311-base-3.11.15-150600.3.56.1
    • libpython3_11-1_0-3.11.15-150600.3.56.1
  • Python 3 Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • python311-3.11.15-150600.3.56.1
    • python311-dbm-debuginfo-3.11.15-150600.3.56.1
    • python311-tk-3.11.15-150600.3.56.1
    • python311-curses-3.11.15-150600.3.56.1
    • python311-tk-debuginfo-3.11.15-150600.3.56.1
    • python311-curses-debuginfo-3.11.15-150600.3.56.1
    • python311-dbm-3.11.15-150600.3.56.1
    • python311-debugsource-3.11.15-150600.3.56.1
    • python311-tools-3.11.15-150600.3.56.1
    • python311-core-debugsource-3.11.15-150600.3.56.1
    • python311-devel-3.11.15-150600.3.56.1
    • python311-debuginfo-3.11.15-150600.3.56.1
    • python311-idle-3.11.15-150600.3.56.1

References: