# Security update for libgcrypt

Announcement ID: SUSE-SU-2025:02773-1  
Release Date: 2025-08-13T00:10:27Z  
Rating: moderate  
References:

  * bsc#1221107

  
Cross-References:

  * CVE-2024-2236

  
CVSS scores:

  * CVE-2024-2236 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2024-2236 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

  
Affected Products:

  * openSUSE Leap 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libgcrypt fixes the following issues:

  * CVE-2024-2236: timing-based side-channel flaw in RSA implementation can lead
    to decryption of RSA ciphertexts (bsc#1221107).

## 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 15.5  
    zypper in -t patch SUSE-2025-2773=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2025-2773=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-2773=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-2773=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-2773=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2025-2773=1

## Package List:

  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    * libgcrypt-cavs-1.9.4-150500.12.3.3
    * libgcrypt-devel-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt20-hmac-1.9.4-150500.12.3.3
    * libgcrypt-devel-1.9.4-150500.12.3.3
    * libgcrypt20-1.9.4-150500.12.3.3
    * libgcrypt-debugsource-1.9.4-150500.12.3.3
    * libgcrypt-cavs-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt20-debuginfo-1.9.4-150500.12.3.3
  * openSUSE Leap 15.5 (x86_64)
    * libgcrypt20-32bit-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt-devel-32bit-1.9.4-150500.12.3.3
    * libgcrypt-devel-32bit-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt20-hmac-32bit-1.9.4-150500.12.3.3
    * libgcrypt20-32bit-1.9.4-150500.12.3.3
  * openSUSE Leap 15.5 (aarch64_ilp32)
    * libgcrypt-devel-64bit-1.9.4-150500.12.3.3
    * libgcrypt20-64bit-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt-devel-64bit-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt20-64bit-1.9.4-150500.12.3.3
    * libgcrypt20-hmac-64bit-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * libgcrypt20-hmac-1.9.4-150500.12.3.3
    * libgcrypt20-1.9.4-150500.12.3.3
    * libgcrypt20-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt-debugsource-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64)
    * libgcrypt-cavs-1.9.4-150500.12.3.3
    * libgcrypt-cavs-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * libgcrypt-devel-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt20-hmac-1.9.4-150500.12.3.3
    * libgcrypt-devel-1.9.4-150500.12.3.3
    * libgcrypt20-1.9.4-150500.12.3.3
    * libgcrypt-debugsource-1.9.4-150500.12.3.3
    * libgcrypt20-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
    * libgcrypt20-hmac-32bit-1.9.4-150500.12.3.3
    * libgcrypt20-32bit-1.9.4-150500.12.3.3
    * libgcrypt20-32bit-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64)
    * libgcrypt-cavs-1.9.4-150500.12.3.3
    * libgcrypt-cavs-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * libgcrypt-devel-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt20-hmac-1.9.4-150500.12.3.3
    * libgcrypt-devel-1.9.4-150500.12.3.3
    * libgcrypt20-1.9.4-150500.12.3.3
    * libgcrypt-debugsource-1.9.4-150500.12.3.3
    * libgcrypt20-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
    * libgcrypt20-hmac-32bit-1.9.4-150500.12.3.3
    * libgcrypt20-32bit-1.9.4-150500.12.3.3
    * libgcrypt20-32bit-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64)
    * libgcrypt-cavs-1.9.4-150500.12.3.3
    * libgcrypt-cavs-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libgcrypt-devel-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt20-hmac-1.9.4-150500.12.3.3
    * libgcrypt-devel-1.9.4-150500.12.3.3
    * libgcrypt20-1.9.4-150500.12.3.3
    * libgcrypt-debugsource-1.9.4-150500.12.3.3
    * libgcrypt20-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
    * libgcrypt20-hmac-32bit-1.9.4-150500.12.3.3
    * libgcrypt20-32bit-1.9.4-150500.12.3.3
    * libgcrypt20-32bit-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libgcrypt-devel-debuginfo-1.9.4-150500.12.3.3
    * libgcrypt20-hmac-1.9.4-150500.12.3.3
    * libgcrypt-devel-1.9.4-150500.12.3.3
    * libgcrypt20-1.9.4-150500.12.3.3
    * libgcrypt-debugsource-1.9.4-150500.12.3.3
    * libgcrypt20-debuginfo-1.9.4-150500.12.3.3
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
    * libgcrypt20-hmac-32bit-1.9.4-150500.12.3.3
    * libgcrypt20-32bit-1.9.4-150500.12.3.3
    * libgcrypt20-32bit-debuginfo-1.9.4-150500.12.3.3

## References:

  * https://www.suse.com/security/cve/CVE-2024-2236.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1221107