SUSE-SU-2026:22355-1: low: Security update for libgcrypt

[SLE-UPDATES]

# Security update for libgcrypt

Announcement ID: SUSE-SU-2026:22355-1  
Release Date: 2026-06-24T21:36:29Z  
Rating: low  
References:

  * bsc#1262693

  
Cross-References:

  * CVE-2026-41990

  
CVSS scores:

  * CVE-2026-41990 ( SUSE ):  2.0
    CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-41990 ( SUSE ):  3.6 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
  * CVE-2026-41990 ( NVD ):  4.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libgcrypt fixes the following issue

  * CVE-2026-41990: lack of bound check can lead to mishandling of Dilithium
    signing (bsc#1262693).

## 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 Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-1060=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-1060=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * libgcrypt-devel-1.12.1-160000.2.1
    * libgcrypt20-1.12.1-160000.2.1
    * libgcrypt20-debuginfo-1.12.1-160000.2.1
    * libgcrypt-debugsource-1.12.1-160000.2.1
    * libgcrypt-devel-debuginfo-1.12.1-160000.2.1
  * SUSE Linux Enterprise Server 16.0 (x86_64)
    * libgcrypt20-x86-64-v3-debuginfo-1.12.1-160000.2.1
    * libgcrypt20-x86-64-v3-1.12.1-160000.2.1
    * libgcrypt-devel-x86-64-v3-1.12.1-160000.2.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * libgcrypt-devel-1.12.1-160000.2.1
    * libgcrypt20-1.12.1-160000.2.1
    * libgcrypt20-debuginfo-1.12.1-160000.2.1
    * libgcrypt-debugsource-1.12.1-160000.2.1
    * libgcrypt-devel-debuginfo-1.12.1-160000.2.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (x86_64)
    * libgcrypt20-x86-64-v3-debuginfo-1.12.1-160000.2.1
    * libgcrypt20-x86-64-v3-1.12.1-160000.2.1
    * libgcrypt-devel-x86-64-v3-1.12.1-160000.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-41990.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262693

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