rc4 has no known vulnerabilities on the latest version (0.2.0). DepScope rates its health at 78/100 (moderate risk).

What is the latest version of rc4?

The latest version of rc4 is 0.2.0, released 2026-03-30.

Does rc4 have known vulnerabilities?

No known vulnerabilities on the latest version of rc4.

No, rc4 is actively maintained. Latest release: 0.2.0 (2026-03-30).

Popular alternatives to rc4 in Cargo include: hashbrown, getrandom, windows-sys, syn.

rc4 is licensed under MIT OR Apache-2.0.

cargov0.2.0

Pure Rust implementation of the RC4 stream cipher

License MIT OR Apache-2.0permissive3 versions0 deps231,958 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 78/100)

Health breakdown0 – 100

25/25

maintenance

14/20

popularity

25/25

security

12/15

maturity

2/15

community

Vulnerabilities

none known

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/cargo/rc4