Is s2n-tls safe to use?

s2n-tls has no known vulnerabilities on the latest version (0.3.36). DepScope rates its health at 82/100 (low risk).

What is the latest version of s2n-tls?

The latest version of s2n-tls is 0.3.36, released 2026-04-02.

No known vulnerabilities on the latest version of s2n-tls.

No, s2n-tls is actively maintained. Latest release: 0.3.36 (2026-04-02).

Popular alternatives to s2n-tls in Cargo include: hashbrown, getrandom, windows-sys, syn.

s2n-tls is licensed under Apache-2.0.

cargov0.3.36

A C99 implementation of the TLS/SSL protocols

License Apache-2.0permissive97 versions0 deps1,737,562 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 82/100)

Health breakdown0 – 100

25/25

maintenance

17/20

popularity

25/25

security

15/15

maturity

0/15

community

Vulnerabilities

none known

Quality signals

OSS Criticality

0.67high

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/cargo/s2n-tls