Medium severity5.9GHSA Advisory· Published Jul 28, 2025· Updated Apr 15, 2026

CVE-2022-50237

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
ed25519-dalekcrates.io	< 2.0.0	2.0.0

Affected products

Dalek Cryptography/Ed25519 DalekGHSA
Range: < 2.0.0
ghsa-coords
pkg:cargo/ed25519-dalek
Range: < 2.0.0

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-w5vr-6qhr-36ccghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2022-50237ghsaADVISORY
rustsec.org/advisories/RUSTSEC-2022-0093.htmlnvdWEB
crates.io/crates/ed25519-daleknvd

News mentions

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cvss	0.384
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000