CVE-2021-38195
- Source
- https://cve.org/CVERecord?id=CVE-2021-38195
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38195.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-38195
- Aliases
- Published
- 2021-08-08T06:15:09Z
- Modified
- 2026-09-30T14:03:43Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
Affected packages
Git / github.com/bitcoin-core/secp256k1
Affected ranges
- Type
- GIT
- Repo
- https://github.com/bitcoin-core/secp256k1
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
- Database specific
-
Show details
{ "cpe": "cpe:2.3:a:parity:libsecp256k1:*:*:*:*:*:rust:*:*", "extracted_events": [ { "introduced": "0" }, { "fixed": "0.5.0" } ], "source": "CPE_RANGE" }