SUSE-SU-2025:02756-1: moderate: Security update for libgcrypt

[SLE-UPDATES]

# Security update for libgcrypt

Announcement ID: SUSE-SU-2025:02756-1  
Release Date: 2025-08-12T08:23:11Z  
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:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 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:

  * SUSE Linux Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2025-2756=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-2756=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libgcrypt-devel-debuginfo-1.6.1-16.86.1
    * libgcrypt-devel-1.6.1-16.86.1
    * libgcrypt20-1.6.1-16.86.1
    * libgcrypt20-debuginfo-1.6.1-16.86.1
    * libgcrypt-debugsource-1.6.1-16.86.1
    * libgcrypt20-hmac-1.6.1-16.86.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libgcrypt20-32bit-1.6.1-16.86.1
    * libgcrypt20-hmac-32bit-1.6.1-16.86.1
    * libgcrypt20-debuginfo-32bit-1.6.1-16.86.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libgcrypt20-debuginfo-32bit-1.6.1-16.86.1
    * libgcrypt-devel-debuginfo-1.6.1-16.86.1
    * libgcrypt-devel-1.6.1-16.86.1
    * libgcrypt20-1.6.1-16.86.1
    * libgcrypt20-hmac-32bit-1.6.1-16.86.1
    * libgcrypt20-debuginfo-1.6.1-16.86.1
    * libgcrypt-debugsource-1.6.1-16.86.1
    * libgcrypt20-hmac-1.6.1-16.86.1
    * libgcrypt20-32bit-1.6.1-16.86.1

## References:

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

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