npm package
semver vulnerabilities by version
The latest release, 7.8.5 (Jun 19, 2026), has no known vulnerabilities. 6% of last week’s 873.2M downloads went to versions with known vulnerabilities. OSV.dev lists 2 advisories for semver; the newest was published on Jun 21, 2023.
npm (opens in a new tab) describes it as “The semantic version parser used by npm.”
- Latest release
- 7.8.5
- Jun 19, 2026, no known vulnerabilities
- Downloads last week
- 873.2M
- All versions, from npm
- Advisories on OSV.dev
- 2
- Newest Jun 21, 2023
- Licence
- ISC
Most-downloaded versions last week
From npm’s per-version download counts for the last 7 days, each checked against OSV.dev. Open a version for its advisories and what to upgrade to.
Who is still on a vulnerable semver
6% of last week’s 873.2M semver downloads went to versions with known vulnerabilities.
From npm’s per-version download counts for the last 7 days, each version checked against OSV.dev. The versions checked cover over 99% of downloads.
Release lines
The newest release of each major line, from the registry. semver doesn’t publish support dates we can check.
Newest advisories
The 2 most recently published, with the versions each one affects.
CriticalCVE-2022-25883 on OSV.dev (opens in a new tab)GHSA-c2qf-rxjj-qqgw
semver vulnerable to Regular Expression Denial of Service
Affects >= 7.0.0, < 7.5.2; >= 6.0.0, < 6.3.1; >= 2.0.0-alpha, < 5.7.2. Published Jun 21, 2023.
CriticalCVE-2015-8855 on OSV.dev (opens in a new tab)GHSA-x6fg-f45m-jf5q
Regular Expression Denial of Service in semver
Affects >= 1.0.4, < 4.3.2. Published Oct 24, 2017.
Which semver do you have?
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How this page is checked
StackPrism reads every OSV.dev advisory for semver, merges duplicates filed under several ids, and asks OSV.dev which ones affect each version listed. Releases and their dates come from deps.dev, downloads from npm. No AI writes this page: every sentence comes from that data, refreshed every few hours.