m4 has no known vulnerabilities on the latest version (1.4.21). DepScope rates its health at 66/100 (moderate risk).

What is the latest version of m4?

The latest version of m4 is 1.4.21, released 2026-03-20.

Does m4 have known vulnerabilities?

No known vulnerabilities on the latest version of m4.

No, m4 is actively maintained. Latest release: 1.4.21 (2026-03-20).

DepScope has no curated alternatives for m4 at this time.

m4 is licensed under GPL-3.0-or-later.

homebrewv1.4.21

Macro processing language

License GPL-3.0-or-later1 versions1 maintainers0 deps23,559 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 66/100)

Health breakdown0 – 100

20/25

maintenance

10/20

popularity

25/25

security

9/15

maturity

2/15

community

Vulnerabilities

none known

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/homebrew/m4

Last updated · 2026-03-20T11:36:48Z