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Status published
Medium
CVE-2020-36843
The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0...
Vulnerability Description
The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA (Strong Existential Unforgeability under Chosen Message Attacks) property. This allows attackers to create new valid signatures different from previous signatures for a known message.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
Affected Vendor
str4d
View all reports →Affected Software
ed25519-java
Vulnerable Versions:
0
Timeline
Official Publish:
March 13th, 2025
Last Modified:
March 18th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N