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.
https://rustsec.org/advisories/RUSTSEC-2022-0093.html
https://github.com/MystenLabs/ed25519-unsafe-libs
https://crates.io/crates/ed25519-dalek
Source: Mitre, NVD
Published: 2025-07-28
Updated: 2025-07-29
Base Score: 4
Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:N/A:N
Severity: Medium
Base Score: 5.9
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS: 0.00011