openSUSE Python311 Moderate Buffer Overflow Fix SUSE-2026-2298-1
suse
June 8, 2026
An update that solves one vulnerability and has one security fix can now be installed.
Summary
## 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
Topics Covered
References
* bsc#1258364
* bsc#1261970
Cross-
* CVE-2026-3446
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
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Severity
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Announcement ID: SUSE-SU-2026:2298-1
Release Date: 2026-06-08T10:17:21Z
Rating: moderate
Topics Covered
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