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SUSE 6.0 s390-tools Moderate Buffer Overflow Vuln 2026-22737-1

suse
Calendar Grey July 22, 2026
Scroller Suse
An important update for SUSE addresses an openssl buffer overflow issue, fixing CVE-2026-41676 in s390-tools.
A security update for s390-tools addresses a vulnerability (CVE-2026-41676) affecting SUSE Linux Micro 6.0, which may lead to buffer overflow issues in OpenSSL 1.1.1.

Summary

## This update for s390-tools fixes the following issue * CVE-2026-41676: openssl: `Deriver:derive` and `PkeyCtxRef:derive` can overflow short buffers on OpenSSL 1.1.1 (bsc#1270185). ## 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 Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-789=1 ## Package List: * SUSE Linux Micro 6.0 (s390x) * libkmipclient1-debuginfo-2.31.0-4.1 * s390-tools-debuginfo-2.31.0-4.1 * libekmfweb1-2.31.0-4.1 * libekmfweb1-debuginfo-2.31.0-4.1 * libkmipclient1-2.31.0-4.1 * s390-tools-debugsource-2.31.0-4.1 * s390-tools-2.31.0-4.1

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SuSE OpenSSL s390-tools

References

* bsc#1270185

Cross-

* CVE-2026-41676

CVSS scores:

* CVE-2026-41676 ( SUSE ): 8.3

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

* CVE-2026-41676 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

* CVE-2026-41676 ( NVD ): 7.2

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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-2026-41676 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE Linux Micro 6.0

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-41676.html

* https://bugzilla.suse.com/show_bug.cgi?id=1270185

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22737-1
Release Date: 2026-07-09T07:32:43Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate buffer overflow SuSE OpenSSL s390-tools

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