Is zstandard safe to use?

zstandard has no known vulnerabilities on the latest version (0.25.0). DepScope rates its health at 50/100 (high risk).

What is the latest version of zstandard?

The latest version of zstandard is 0.25.0, released 2025-09-14.

Does zstandard have known vulnerabilities?

No known vulnerabilities on the latest version of zstandard.

Is zstandard deprecated?

No, zstandard is actively maintained. Latest release: 0.25.0 (2025-09-14).

What are alternatives to zstandard?

Popular alternatives to zstandard in PyPI include: boto3, packaging, urllib3, requests, idna.

What license does zstandard use?

zstandard is licensed under BSD-3-Clause.

zstandard

pypiv0.25.0

Zstandard bindings for Python

License BSD-3-Clausepermissive42 versions2 deps

indygreg/python-zstandard

/ 100

Health

use with caution

[email protected] low health (50/100) — consider alternatives

Moderate health score (50/100) — verify manually

Health breakdown0 – 100

10/25

maintenance

0/20

popularity

25/25

security

12/15

maturity

3/15

community

Vulnerabilities

none known

OSS Scorecard

OpenSSF security posture score

3.9/10

weak

Maintainer trust

Active maintainers (3m)

1

Contributors (12m)

15

Primary author dominance

78%

GitHub stars

627

single active maintainer 3m

Quality signals

OSS Criticality

0.50high

Download trend

stable(+6%)

Publish security

API token

Health History

Dependency Tree

License Audit

Dependencies (2)

cffi~cffi

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/pypi/zstandard