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SUSE: 2025:1029-1 important: ed25519-java Security Advisory Updates

suse
Calendar Grey March 26, 2025
Dist Suse Esm H88
Important security advisory addresses ed25519-java update fixes against signature malleability affecting multiple SUSE Linux distributions.
* bsc#1239551 Cross-References: * CVE-2020-36843

Summary

## This update for ed25519-java fixes the following issues: * CVE-2020-36843: Fixed no check performed on scalar to avoid signature malleability (bsc#1239551) ## 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

Topics%20covered

Topics Covered

security advisory important SUSE malicious execution ed25519-java

References

* bsc#1239551

Cross-

* CVE-2020-36843

CVSS scores:

* CVE-2020-36843 ( SUSE ): 8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

* CVE-2020-36843 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

* CVE-2020-36843 ( NVD ): 4.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:1029-1
Release Date: 2025-03-26T13:11:52Z
Rating: important

Topics%20covered

Topics Covered

security advisory important SUSE malicious execution ed25519-java

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