h2 has no known vulnerabilities on the latest version (4.3.0). DepScope rates its health at 62/100 (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).

What are alternatives to h2?

Popular alternatives to h2 in PyPI include: urllib3, certifi, charset_normalizer, cryptography, pygments.

h2

pypiv4.3.0

Pure-Python HTTP/2 protocol implementation

License MITpermissive46 versions2 deps

python-hyper/h2/

/ 100

Health

use with caution

[email protected] low health (62/100) — consider alternatives

Moderate health score (62/100) — verify manually

Health breakdown0 – 100

20/25

maintenance

0/20

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%)

Health History

Dependency Tree

License Audit

Dependencies (2)

hyperframe hpack

API access

Get this data programmatically — free, no authentication.

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

h2