CVE-2022-50237

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

28/07/2025

Last modified:

15/04/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

5.90

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://crates.io/crates/ed25519-dalek
https://github.com/MystenLabs/ed25519-unsafe-libs
https://rustsec.org/advisories/RUSTSEC-2022-0093.html