p521 has no known vulnerabilities on the latest version (0.14.0-rc.9). DepScope rates its health at 82/100 (low risk).

What is the latest version of p521?

The latest version of p521 is 0.14.0-rc.9, released 2026-04-19.

Does p521 have known vulnerabilities?

No known vulnerabilities on the latest version of p521.

No, p521 is actively maintained. Latest release: 0.14.0-rc.9 (2026-04-19).

Popular alternatives to p521 in Cargo include: hashbrown, getrandom, windows-sys, syn.

p521 is licensed under Apache-2.0 OR MIT.

cargov0.14.0-rc.9

Pure Rust implementation of the NIST P-521 (a.k.a. secp521r1) elliptic curve as defined in SP 800-186

License Apache-2.0 OR MITpermissive26 versions0 deps4,257,989 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

12/15

maturity

3/15

community

Vulnerabilities

none known

Maintainer trust

Active maintainers (3m)

1

Contributors (12m)

0

Primary author dominance

0%

GitHub stars

846

single active maintainer 3m

Quality signals

OSS Criticality

0.69high

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/cargo/p521