h2 has no known vulnerabilities on the latest version (4.3.0). DepScope rates its health at 72/100 (moderate risk).

What is the latest version of h2?

The latest version of h2 is 4.3.0, released 2025-08-23.

Does h2 have known vulnerabilities?

No known vulnerabilities on the latest version of h2.

No, h2 is actively maintained. Latest release: 4.3.0 (2025-08-23).

Popular alternatives to h2 in PyPI include: boto3, boto3/, packaging, urllib3/, certifi.

pypiv4.3.0

Pure-Python HTTP/2 protocol implementation

License MITpermissive46 versions2 deps33,930,819 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 72/100)

Health breakdown0 – 100

10/25

maintenance

20/20

popularity

25/25

security

12/15

maturity

5/15

community

Vulnerabilities

none known

OSS Scorecard

OpenSSF security posture score

3.5/10

weak

Maintainer trust

Active maintainers (3m)

2

Contributors (12m)

8

Primary author dominance

55%

GitHub stars

1,035

Quality signals

OSS Criticality

0.49medium

Download trend

stable(0%)

Dependencies (2)

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/pypi/h2