PT-2025-31036 · Unknown · Ed25519-Dalek

Published 2022-06-11 · Updated 2025-07-28 · CVE-2022-50237

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions ed25519-dalek crate versions prior to 2

Description The ed25519-dalek crate for Rust contains a flaw that allows a double public key signing function oracle attack. The Keypair implementation can lead to the extraction of a private key.

Recommendations Update the ed25519-dalek crate to version 2 or later.

Fix

Weakness Enumeration

CWE-497

Related Identifiers

CVE-2022-50237

GHSA-G693-V3JR-8HCR

GHSA-W5VR-6QHR-36CC

RUSTSEC-2022-0093

Affected Products

Ed25519-Dalek

References · 13

• https://cve.org/CVERecord?id=CVE-2022-50237 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50237 · Vendor Advisory
• https://osv.dev/vulnerability/RUSTSEC-2022-0093 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50237 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-w5vr-6qhr-36cc · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-g693-v3jr-8hcr · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50237 · Security Note
• https://github.com/dalek-cryptography/ed25519-dalek · Note
• https://github.com/MystenLabs/ed25519-unsafe-libs · Note
• https://twitter.com/CVEnew/status/1949671857105350992 · Twitter Post
• https://t.me/CVEtracker/28527 · Telegram Post
• https://crates.io/crates/ed25519-dalek · Note
• https://rustsec.org/advisories/RUSTSEC-2022-0093.html · Note