# elliptic (npm) vulnerabilities

8 known vulnerabilities (1 critical, 6 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://www.npmjs.com/package/elliptic

## Advisories (8)

### [CVE-2025-14505](https://cve.now/CVE-2025-14505): Elliptic Cryptanalysis vulnerability when \`k\` has leading zeros

- Severity: Medium 5.6
- Published: Jan 8, 2026
- Affected: through 6.6.1; through 6.6.1.

### [CVE-2024-48948](https://cve.now/CVE-2024-48948): The Elliptic package 6.5.7 for Node.js, in its for ECDSA implementation, does not correctly verify valid signatures if the hash contains…

- Severity: Medium 4.8
- Published: Oct 15, 2024
- Affected: fixed in 6.6.0.

### [CVE-2024-48949](https://cve.now/CVE-2024-48949): The verify function in lib/elliptic/eddsa/index.js in the Elliptic package before 6.5.6 for Node.js omits "sig.S().gte(sig.eddsa.curve.n)…

- Severity: Critical 9.1
- Published: Oct 10, 2024
- Affected: fixed in 6.5.6.

### [CVE-2024-42461](https://cve.now/CVE-2024-42461): In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because BER-encoded signatures are allowed.

- Severity: Medium 5.3
- Published: Aug 2, 2024
- Affected: from 5.2.1, fixed in 6.5.7.

### [CVE-2024-42460](https://cve.now/CVE-2024-42460): In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading…

- Severity: Medium 5.3
- Published: Aug 2, 2024
- Affected: from 2.0.0, fixed in 6.5.7.

### [CVE-2024-42459](https://cve.now/CVE-2024-42459): In the Elliptic package 6.5.6 for Node.js, EDDSA signature malleability occurs because there is a missing signature length check, and thus…

- Severity: Medium 5.3
- Published: Aug 2, 2024
- Affected: from 4.0.0, fixed in 6.5.7.

### [CVE-2020-28498](https://cve.now/CVE-2020-28498): Cryptographic Issues

- Severity: Medium 6.8
- Published: Feb 2, 2021
- Affected: fixed in 6.5.4.

### [CVE-2020-13822](https://cve.now/CVE-2020-13822): The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\\0' bytes, or integer…

- Severity: Unrated
- Published: Jun 4, 2020
- Affected: fixed in 6.5.3.

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