Is semver-regex 3.1 vulnerable?

npm · 5 releases from 3.1.0 to 3.1.4 · latest semver-regex is 4.0.5 · checked 2 Nov 2026

No known advisories in the last release

semver-regex 3.1.4, the last 3.1 release, has no known advisories. 2 advisories affect earlier 3.1.x releases, so update to 3.1.4.

Update within 3.1:npm install semver-regex@3.1.4

Is your project affected?

Private repo? Upload its lockfile instead, or connect GitHub to check every repo.

Fixed within 3.1.x, affecting earlier releases

  • LowCVE-2021-43307GHSA-4x5v-gmq8-25ch3 Jun 2022

    Regular expression denial of service in semver-regex

    Affected
    <3.1.4 · >=4.0.0 <4.0.3
    Fixed in
    3.1.4, 4.0.3
  • HighCVE-2021-3795GHSA-44c6-4v22-4mhx20 Sept 2021

    semver-regex Regular Expression Denial of Service (ReDOS)

    Affected
    <3.1.3 · >=4.0.0 <4.0.1
    Fixed in
    3.1.3, 4.0.1

Which of your client projects are still on semver-regex 3.1?

NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact semver-regex version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.

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Other semver-regex versions

Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the npm registry. Refreshed daily.