SUSE Python3-PyOpenSSL Moderate Input Handling Threat SUSE-SU-2026-2259-1
suse
June 3, 2026
An update that solves one vulnerability can now be installed.
Summary
## This update for python3-pyOpenSSL fixes the following issue * CVE-2026-40475: improper input handling of null bytes can lead to silent data truncation and security-state inconsistency (bsc#1262803). ## 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: * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2259=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2259=1 * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-2259=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-2259=1 * SUSE Linux Enterprise Micro 5.4
Topics Covered
References
* bsc#1262803
Cross-
* CVE-2026-40475
CVSS scores:
* CVE-2026-40475 ( SUSE ): 6.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-40475 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:
* Basesystem Module 15-SP7
* openSUSE Leap 15.4
* SUSE Linux Enterprise Desktop 15 SP7
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Micro for Rancher 5.3
* SUSE Linux Enterprise Micro for Rancher 5.4
* 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 can now be installed.
##
* https://www.suse.com/security/cve/CVE-2026-40475.html
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Severity
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Announcement ID: SUSE-SU-2026:2259-1
Release Date: 2026-06-03T15:31:51Z
Rating: moderate
Topics Covered
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