SUSE-SU-2026:20448-1: moderate: Security update for libsodium

[SLE-UPDATES]

# Security update for libsodium

Announcement ID: SUSE-SU-2026:20448-1  
Release Date: 2026-02-17T08:34:13Z  
Rating: moderate  
References:

  * bsc#1255764
  * bsc#1256070

  
Cross-References:

  * CVE-2025-15444
  * CVE-2025-69277

  
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
  * CVE-2025-69277 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-69277 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-69277 ( NVD ):  4.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for libsodium fixes the following issues:

  * CVE-2025-15444: Fixed cryptographic bypass via improper elliptic curve point
    validation (bsc#1256070).
  * CVE-2025-69277: Fixed incorrect validation of elliptic curve points in
    crypto_core_ed25519_is_valid_point function (bsc#1255764).

## 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-6.0-585=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * libsodium-debugsource-1.0.18-5.1
    * libsodium23-1.0.18-5.1
    * libsodium23-debuginfo-1.0.18-5.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-15444.html
  * https://www.suse.com/security/cve/CVE-2025-69277.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1255764
  * https://bugzilla.suse.com/show_bug.cgi?id=1256070

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