SUSE-SU-2026:4122-1: moderate: Security update for opensc

[SLE-SECURITY-UPDATES]

# Security update for opensc

Announcement ID: SUSE-SU-2026:4122-1  
Release Date: 2026-09-10T11:46:37Z  
Rating: moderate  
References:

  * bsc#1266964

  
Cross-References:

  * CVE-2026-40510

  
CVSS scores:

  * CVE-2026-40510 ( SUSE ):  4.4
    CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-40510 ( SUSE ):  5.7 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-40510 ( 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-2026-40510 ( NVD ):  3.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
  * CVE-2026-40510 ( NVD ):  6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * 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

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for opensc fixes the following issue:

  * CVE-2026-40510: stack buffer overflow in `piv_process_history()` allows
    physically present attackers to trigger memory corruption by presenting a
    crafted PIV smart card or USB device (bsc#1266964).

## 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 15.4  
    zypper in -t patch SUSE-2026-4122=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-4122=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-4122=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-4122=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-4122=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-4122=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * opensc-debugsource-0.22.0-150400.3.20.1
    * opensc-debuginfo-0.22.0-150400.3.20.1
    * opensc-0.22.0-150400.3.20.1
  * openSUSE Leap 15.4 (x86_64)
    * opensc-32bit-0.22.0-150400.3.20.1
    * opensc-32bit-debuginfo-0.22.0-150400.3.20.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * opensc-64bit-0.22.0-150400.3.20.1
    * opensc-64bit-debuginfo-0.22.0-150400.3.20.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * opensc-debugsource-0.22.0-150400.3.20.1
    * opensc-debuginfo-0.22.0-150400.3.20.1
    * opensc-0.22.0-150400.3.20.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * opensc-debugsource-0.22.0-150400.3.20.1
    * opensc-debuginfo-0.22.0-150400.3.20.1
    * opensc-0.22.0-150400.3.20.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * opensc-debugsource-0.22.0-150400.3.20.1
    * opensc-debuginfo-0.22.0-150400.3.20.1
    * opensc-0.22.0-150400.3.20.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * opensc-debugsource-0.22.0-150400.3.20.1
    * opensc-debuginfo-0.22.0-150400.3.20.1
    * opensc-0.22.0-150400.3.20.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * opensc-debugsource-0.22.0-150400.3.20.1
    * opensc-debuginfo-0.22.0-150400.3.20.1
    * opensc-0.22.0-150400.3.20.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-40510.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1266964

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