CVE-2021-38195

Published Aug 8, 2021 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust. It can verify an invalid signature because it allows the R or S parameter to be larger than the curve order, aka an overflow.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-1711 An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust. It can verify an invalid signature because it allows the R or S parameter to be larger than the curve order, aka an overflow.
Github GHSA Github GHSA GHSA-g4vj-x7v9-h82m Overflow in libsecp256k1
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 1:37 AM
Reserved
Aug 8, 2021, 12:00 AM
Status
Modified
Published
Aug 8, 2021, 6:15 AM
Modified
Jun 17, 2026, 4:01 AM