Answer in brief
CVE-2022-25883 records a High severity (CVSS 7.5) vulnerability in semver vulnerable to Regular Expression Denial of Service. The current sources do not mark it as known exploited. The current feed maps semver (npm), semver (npm), semver (npm). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps semver (npm), semver (npm), semver (npm). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| semvernpm | >=7.0.0 <7.5.2 | 7.5.2 |
| semvernpm | >=6.0.0 <6.3.1 | 6.3.1 |
| semvernpm | >=2.0.0-alpha <5.7.2 | 5.7.2 |
Published upstream
Jun 21, 2023
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Aug 8, 2026
Versions of the package semver before 7.5.2 on the 7.x branch, before 6.3.1 on the 6.x branch, and all other versions before 5.7.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the function new Range, when untrusted user data is provided as a range.
Quoted source text, attributed separately from HOL analysis.