# ecdsa (PyPI) vulnerabilities

4 known vulnerabilities (2 high, 1 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 0.19.2 (Mar 26, 2026): affected by CVE-2024-23342
- Newest unaffected release: Every release is affected by at least one advisory
- Weekly downloads: 10.2M
- Dependents: 2,937
- Releases: 23 since 0.6.0 (Oct 16, 2010)
- Registry: https://pypi.org/project/ecdsa/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-33936: 0.6.0 to 0.19.1 (0.19.2 is outside it)
- CVE-2024-23342: 0.6.0 to 0.19.2 (through the newest release)
- CVE-2019-14859: 0.6.0 to 0.13.2 (0.13.3 is outside it)
- CVE-2019-14853: 0.6.0 to 0.13.2 (0.13.3 is outside it)

## Advisories (4)

### [CVE-2026-33936](https://cve.now/CVE-2026-33936): python-ecdsa: Denial of Service via improper DER length validation in crafted private keys

- Severity: Medium 5.3
- Published: Mar 27, 2026
- Affected: fixed in 0.19.2.
- Fixed in 0.19.2 (released Mar 26, 2026, 1 day before disclosure).
- The latest release, 0.19.2, is not affected.

### [CVE-2024-23342](https://cve.now/CVE-2024-23342): python-ecdsa vulnerable to Minerva attack on P-256

- Severity: High 7.4
- Published: Jan 22, 2024
- Affected: all versions.
- No fix released. The latest release, 0.19.2, is still affected.

### [CVE-2019-14859](https://cve.now/CVE-2019-14859): A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding.

- Severity: High 7.4
- Published: Jan 2, 2020
- Affected: fixed in 0.13.3; fixed in 0.13.3.
- Fixed in 0.13.3 (released Oct 7, 2019, 87 days before disclosure).
- The latest release, 0.19.2, is not affected.

### [CVE-2019-14853](https://cve.now/CVE-2019-14853): An error-handling flaw was found in python-ecdsa before version 0.13.3.

- Severity: Low 3.7
- Published: Nov 26, 2019
- Affected: fixed in 0.13.3.
- Fixed in 0.13.3 (released Oct 7, 2019, 50 days before disclosure).
- The latest release, 0.19.2, is not affected.

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