Vulnerability in Dalek-Cryptography Ed25519-Dalek
CVE-2022-50237
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.
EPSS: 0.002 (8.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Dalek-cryptography Ed25519-dalek — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-50237?
- CVE-2022-50237 is a medium-severity vulnerability in Dalek-Cryptography Ed25519-Dalek, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.9/10. Published 2025-07-28.
- How severe is CVE-2022-50237?
- Medium severity. CVSS v3 base score is 5.9 out of 10.