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CVE-2022-50237

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Date: July 27, 2025

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.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2022-50237
https://crates.io/crates/ed25519-dalek
https://github.com/dalek-cryptography/ed25519-dalek
https://github.com/MystenLabs/ed25519-unsafe-libs
https://rustsec.org/advisories/RUSTSEC-2022-0093.html
https://www.mend.io/vulnerability-database/CVE-2022-50237

Severity Score

Weakness Type (CWE)

Exposure of Sensitive System Information to an Unauthorized Control Sphere

CWE-497

Top Fix

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Upgrade Version

Upgrade to version ed25519-dalek - 2.0.0

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CVSS v3.1

Base Score:
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

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