An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust.
Priority LOW 36CWE-208Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-208.
Summary
An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust. Scalar::check_overflow allows a timing side-channel attack; consequently, attackers can obtain sensitive information.
Why it matters now
EPSS 0.01703 77th percentileScored 2026-11-07
Fix Fixed libsecp256k1 (crates.io): 0.3.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | libsecp256k1 (crates.io) | before 0.3.1 | 0.3.1 | Patch available | GHSA-hrjm-c879-pp86 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- libsecp256k1 (crates.io) Vendor— Affected before 0.3.1 Fixed in 0.3.1 Patch available GHSA-hrjm-c879-pp86
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:parity:libsecp256k1:*:*:*:*:*:rust:*:* | before 0.3.1 | Vulnerable | paritytech |
- cpe:2.3:a:parity:libsecp256k1:*:*:*:*:*:rust:*:* Versions before 0.3.1 Vulnerable ·paritytech
Remediation
- Fix · GHSA-hrjm-c879-pp86 libsecp256k1 (crates.io) Fixed in 0.3.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-25003
- 2026-10-03 Alias added: GHSA-hrjm-c879-pp86
References
More paritytech Libsecp256k1 vulnerabilities
- TI-2021-15872 An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust. CVSS 3.1CRITICAL 9.8
- TI-2019-14633 A timing vulnerability in the Scalar::check_overflow function in Parity libsecp256k1-rs… CVSS 3.1MEDIUM 5.9
Sources
- CVE-2019-25003 · CVE Program
- CVE-2019-25003 · NVD
- FIRST EPSS
- GHSA-hrjm-c879-pp86 · GitHub Advisory Database · CC BY 4.0
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