CVE-2021-38195

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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
2021-08-08T06:15:09.117Z
Modified
2026-03-14T11:04:57.403258Z
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/secp256k1

Affected ranges

Type
GIT
Repo
https://github.com/bitcoin/secp256k1
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e3a885d42a7800c1ccebad94ad1e2b82c4df5c65
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.5.0"
        }
    ]
}

Affected versions

v0.*
v0.2.0
v0.3.0
v0.3.1
v0.3.2
v0.4.0
v0.4.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38195.json"