flex has no known vulnerabilities on the latest version (2.6.4). DepScope rates its health at 67/100 (moderate risk).

What is the latest version of flex?

The latest version of flex is 2.6.4, released 2026-02-19.

Does flex have known vulnerabilities?

No known vulnerabilities on the latest version of flex.

No, flex is actively maintained. Latest release: 2.6.4 (2026-02-19).

DepScope has no curated alternatives for flex at this time.

flex is licensed under BSD-2-Clause.

homebrewv2.6.4

Fast Lexical Analyzer, generates Scanners (tokenizers)

License BSD-2-Clausepermissive1 versions1 maintainers2 deps1,059 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 67/100)

Health breakdown0 – 100

20/25

maintenance

6/20

popularity

25/25

security

9/15

maturity

7/15

community

Vulnerabilities

none known

Dependencies (2)

API access

Get this data programmatically — free, no authentication.

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

Last updated · 2026-02-19T11:25:37Z