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SUSE Micro 6.1 opensc Important Memory Corruption 2026-22139-1

suse
Calendar Grey June 17, 2026
Dist Suse Esm H88
Critical security update for opensc addressing two vulnerabilities in SUSE Linux Micro 6.1 to enhance system integrity.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for opensc fixes the following issues * CVE-2026-10275: global buffer overflow during key pair generation tests due to missing input validation (bsc#1267246). * CVE-2026-40528: stack and heap buffer overrun in the `do_key_value()` function due to missing length check allows for memory corruption via a crafted profile configuration file (bsc#1266963). ## 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 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-581=1 ## Package List: * SUSE Linux Micro 6.1 (s390x) * opensc-debuginfo-0.24.0-slfo.1.1_4.1 * opensc-debugsource-0.24.0-slfo.1.1_4.1 * opensc-0.24.0-slfo.1.1_4.1

Topics%20covered

Topics Covered

security advisory security update buffer overflow SuSE memory corruption important

References

* bsc#1266963

* bsc#1267246

Cross-

* CVE-2026-10275

* CVE-2026-40528

CVSS scores:

* CVE-2026-10275 ( SUSE ): 7.3

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

* CVE-2026-10275 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2026-10275 ( NVD ): 1.3

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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-2026-10275 ( NVD ): 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

* CVE-2026-40528 ( SUSE ): 8.5

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

* CVE-2026-40528 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-40528 ( NVD ): 1.0

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22139-1
Release Date: 2026-06-16T09:45:03Z
Rating: important

Topics%20covered

Topics Covered

security advisory security update buffer overflow SuSE memory corruption important

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