Security update for libsodium

Announcement ID:	SUSE-SU-2026:0223-1
Release Date:	2026-01-22T12:18:06Z
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:	Basesystem Module 15-SP7 openSUSE Leap 15.6 SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Micro for Rancher 5.2 SUSE Linux Enterprise Micro for Rancher 5.3 SUSE Linux Enterprise Micro for Rancher 5.4 SUSE Linux Enterprise Real Time 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves one vulnerability 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).

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 Micro 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-223=1
• SUSE Linux Enterprise Micro for Rancher 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-223=1
• openSUSE Leap 15.6
  zypper in -t patch openSUSE-SLE-15.6-2026-223=1
• SUSE Linux Enterprise Micro for Rancher 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2026-223=1
• SUSE Linux Enterprise Micro 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2026-223=1
• SUSE Linux Enterprise Micro for Rancher 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2026-223=1
• SUSE Linux Enterprise Micro 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2026-223=1
• SUSE Linux Enterprise Micro 5.5
  zypper in -t patch SUSE-SLE-Micro-5.5-2026-223=1
• Basesystem Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-223=1

Package List:

• SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
  • libsodium-debugsource-1.0.18-150000.4.11.1
  • libsodium23-debuginfo-1.0.18-150000.4.11.1
  • libsodium23-1.0.18-150000.4.11.1
• SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
  • libsodium-debugsource-1.0.18-150000.4.11.1
  • libsodium23-debuginfo-1.0.18-150000.4.11.1
  • libsodium23-1.0.18-150000.4.11.1
• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
  • libsodium-debugsource-1.0.18-150000.4.11.1
  • libsodium-devel-1.0.18-150000.4.11.1
  • libsodium23-1.0.18-150000.4.11.1
  • libsodium23-debuginfo-1.0.18-150000.4.11.1
• openSUSE Leap 15.6 (x86_64)
  • libsodium23-32bit-1.0.18-150000.4.11.1
  • libsodium23-32bit-debuginfo-1.0.18-150000.4.11.1
• SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
  • libsodium-debugsource-1.0.18-150000.4.11.1
  • libsodium23-debuginfo-1.0.18-150000.4.11.1
  • libsodium23-1.0.18-150000.4.11.1
• SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
  • libsodium-debugsource-1.0.18-150000.4.11.1
  • libsodium23-debuginfo-1.0.18-150000.4.11.1
  • libsodium23-1.0.18-150000.4.11.1
• SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
  • libsodium-debugsource-1.0.18-150000.4.11.1
  • libsodium23-debuginfo-1.0.18-150000.4.11.1
  • libsodium23-1.0.18-150000.4.11.1
• SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
  • libsodium-debugsource-1.0.18-150000.4.11.1
  • libsodium23-debuginfo-1.0.18-150000.4.11.1
  • libsodium23-1.0.18-150000.4.11.1
• SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
  • libsodium-debugsource-1.0.18-150000.4.11.1
  • libsodium23-debuginfo-1.0.18-150000.4.11.1
  • libsodium23-1.0.18-150000.4.11.1
• Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • libsodium-debugsource-1.0.18-150000.4.11.1
  • libsodium-devel-1.0.18-150000.4.11.1
  • libsodium23-1.0.18-150000.4.11.1
  • libsodium23-debuginfo-1.0.18-150000.4.11.1
• Basesystem Module 15-SP7 (x86_64)
  • libsodium23-32bit-1.0.18-150000.4.11.1
  • libsodium23-32bit-debuginfo-1.0.18-150000.4.11.1

References:

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