SUSE-SU-2026:22139-1: important: Security update for opensc

[SLE-UPDATES]

# Security update for opensc

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

  * bsc#1266963
  * bsc#1267246

  
Cross-References:

  * 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
    CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/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
  * CVE-2026-40528 ( NVD ):  3.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
  * CVE-2026-40528 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

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

## References:

  * https://www.suse.com/security/cve/CVE-2026-10275.html
  * https://www.suse.com/security/cve/CVE-2026-40528.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1266963
  * https://bugzilla.suse.com/show_bug.cgi?id=1267246

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