Is memchr safe to use?

memchr has no known vulnerabilities on the latest version (2.8.1). DepScope rates its health at 90/100 (low risk).

What is the latest version of memchr?

The latest version of memchr is 2.8.1, released 2026-05-27.

Does memchr have known vulnerabilities?

No known vulnerabilities on the latest version of memchr.

Is memchr deprecated?

No, memchr is actively maintained. Latest release: 2.8.1 (2026-05-27).

What are alternatives to memchr?

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

What license does memchr use?

memchr is licensed under Unlicense OR MIT.

memchr

cargov2.8.1

Provides extremely fast (uses SIMD on x86_64, aarch64 and wasm32) routines for 1, 2 or 3 byte search and single substring search.

License Unlicense OR MITpermissive45 versions0 deps213,142,896 weekly dl

BurntSushi/memchr

/ 100

Health

safe to use

[email protected] is safe to use (health: 90/100)

Health breakdown0 – 100

25/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

5/15

community

0/15

popularity_floor

Vulnerabilities

none known

Maintainer trust

Active maintainers (3m)

5

Contributors (12m)

7

Primary author dominance

43%

GitHub stars

1,428

Quality signals

OSS Criticality

0.78critical

Download trend

stable(+4.1%)

Health History

Dependency Tree

License Audit

API access

Get this data programmatically — free, no authentication.

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

memchr

cargov2.8.1

Provides extremely fast (uses SIMD on x86_64, aarch64 and wasm32) routines for 1, 2 or 3 byte search and single substring search.

License Unlicense OR MITpermissive45 versions0 deps213,142,896 weekly dl

BurntSushi/memchr

/ 100

Health

safe to use

[email protected] is safe to use (health: 90/100)

Health breakdown0 – 100

25/25

maintenance

20/20

popularity

25/25

security

15/15

maturity

5/15

community

0/15

popularity_floor

Vulnerabilities

none known

Maintainer trust

Active maintainers (3m)

5

Contributors (12m)

7

Primary author dominance

43%

GitHub stars

1,428

Quality signals

OSS Criticality

0.78critical

Download trend

stable(+4.1%)

Health History

Dependency Tree

License Audit

API access

Get this data programmatically — free, no authentication.

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