SUSE-SU-2025:20530-1: moderate: Security update for opensc

[SLE-SECURITY-UPDATES]

# Security update for opensc

Announcement ID: SUSE-SU-2025:20530-1  
Release Date: 2025-08-01T09:26:08Z  
Rating: moderate  
References:

  * bsc#1219386

  
Cross-References:

  * CVE-2023-5992

  
CVSS scores:

  * CVE-2023-5992 ( SUSE ):  4.1
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2023-5992 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
  * CVE-2023-5992 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-5992 ( NVD ):  5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for opensc fixes the following issues:

  * CVE-2023-5992: Fixed side-channel leaks while stripping encryption PKCS#1
    padding (bsc#1219386)

## 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-6.0-406=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * opensc-debugsource-0.24.0-4.1
    * opensc-debuginfo-0.24.0-4.1
    * opensc-0.24.0-4.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-5992.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1219386

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