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openSUSE: 2025:1029-1 important: ed25519-java Advisory Security Update

opensuse

March 26, 2025

An update that solves one vulnerability can now be installed.

Description

This update for ed25519-java fixes the following issues:

* CVE-2020-36843: Fixed no check performed on scalar to avoid signature

malleability (bsc#1239551)

Topics Covered

security advisory important SUSE signature malleability ed25519-java CVE-2020-36843

Patch

## 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 15.6

zypper in -t patch openSUSE-SLE-15.6-2025-1029=1

* Development Tools Module 15-SP6

zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP6-2025-1029=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3

zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2025-1029=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-1029=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-1029=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-1029=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch...

Read the Full Advisory

Package List

* openSUSE Leap 15.6 (noarch)

* ed25519-java-javadoc-0.3.0-150200.5.9.1

* ed25519-java-0.3.0-150200.5.9.1

* Development Tools Module 15-SP6 (noarch)

* ed25519-java-0.3.0-150200.5.9.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (noarch)

* ed25519-java-0.3.0-150200.5.9.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)

* ed25519-java-0.3.0-150200.5.9.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)

* ed25519-java-0.3.0-150200.5.9.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)

* ed25519-java-0.3.0-150200.5.9.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)

* ed25519-java-0.3.0-150200.5.9.1

* SUSE Linux Enterprise Server 15 SP3 LTSS (noarch)

* ed25519-java-0.3.0-150200.5.9.1

* SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)

* ed25519-java-0.3.0-150200.5.9.1

* SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)

* ed25519-java-0.3.0-150200.5.9.1

* SUSE Linux Enterprise Server for SAP...

Read the Full Advisory

References

* bsc#1239551

## References:

* https://www.suse.com/security/cve/CVE-2020-36843.html

* https://bugzilla.suse.com/show_bug.cgi?id=1239551

Severity

important

Lowest

Low

Medium

High

Critical

Announcement ID: SUSE-SU-2025:1029-1

Release Date: 2025-03-26T13:11:52Z

Affected Products: * Development Tools Module 15-SP6 * openSUSE Leap 15.6 * SUSE Enterprise Storage 7.1 * SUSE Linux Enterprise Desktop 15 SP6 * SUSE Linux Enterprise High Performance Computing 15 SP3 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP3 * SUSE Linux Enterprise Server 15 SP3 LTSS * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP3 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics Covered

security advisory important SUSE signature malleability ed25519-java CVE-2020-36843

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