SUSE-SU-2026:20242-1: moderate: Security update for libsodium

[SLE-SECURITY-UPDATES]

# Security update for libsodium

Announcement ID: SUSE-SU-2026:20242-1  
Release Date: 2026-01-13T13:09:53Z  
Rating: moderate  
References:

  * bsc#1256070

  
Cross-References:

  * CVE-2025-15444

  
CVSS scores:

  * CVE-2025-15444 ( SUSE ):  6.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
  * CVE-2025-15444 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libsodium fixes the following issues:

  * CVE-2025-15444: missing checks when validating elliptic curve points allows
    for cryptographic bypass (bsc#1256070).

## 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-6.0-559=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 ppc64le s390x x86_64)
    * libsodium23-1.0.18-4.1
    * libsodium23-debuginfo-1.0.18-4.1
    * libsodium-debugsource-1.0.18-4.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-15444.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1256070

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