SUSE-SU-2026:2355-1: moderate: Security update for openCryptoki

[SLE-SECURITY-UPDATES]

# Security update for openCryptoki

Announcement ID: SUSE-SU-2026:2355-1  
Release Date: 2026-06-10T15:08:36Z  
Rating: moderate  
References:

  * bsc#1262283

  
Cross-References:

  * CVE-2026-40253

  
CVSS scores:

  * CVE-2026-40253 ( SUSE ):  7.0
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-40253 ( SUSE ):  6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-40253 ( NVD ):  6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-40253 ( NVD ):  6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.4

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for openCryptoki fixes the following issue:

  * CVE-2026-40253: malformed BER-encoded cryptographic objects can lead to
    information disclosure and denial of service (bsc#1262283).

## 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-2026-2355=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2355=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-2355=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
    * openCryptoki-3.17.0-150400.4.16.1
    * openCryptoki-debugsource-3.17.0-150400.4.16.1
    * openCryptoki-devel-3.17.0-150400.4.16.1
    * openCryptoki-debuginfo-3.17.0-150400.4.16.1
  * openSUSE Leap 15.4 (i586)
    * openCryptoki-32bit-debuginfo-3.17.0-150400.4.16.1
    * openCryptoki-32bit-3.17.0-150400.4.16.1
  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
    * openCryptoki-64bit-debuginfo-3.17.0-150400.4.16.1
    * openCryptoki-64bit-3.17.0-150400.4.16.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (s390x)
    * openCryptoki-3.17.0-150400.4.16.1
    * openCryptoki-debugsource-3.17.0-150400.4.16.1
    * openCryptoki-debuginfo-3.17.0-150400.4.16.1
  * SUSE Linux Enterprise Micro 5.4 (s390x)
    * openCryptoki-3.17.0-150400.4.16.1
    * openCryptoki-debugsource-3.17.0-150400.4.16.1
    * openCryptoki-debuginfo-3.17.0-150400.4.16.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-40253.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262283

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