CVE-2022-50237
Medium
Description
The ed25519-dalek crate before 2 for Rust allows a double public key signing function oracle attack. The Keypair implementation leads to a simple computation for extracting a private key.
SeverityMedium
CVSS5.9
Exploit probability—
ProductDalek-cryptography Ed25519-dalek
PublishedJul 28, 2025
First seenJul 28, 2025
Weakness typeCWE-497CWE-497
How to fix
Update
- dalek-cryptography ed25519-dalek2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dalek-cryptography ed25519-dalek | v < 2 | 2 |
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