Vulnerability Database · npm · h3 · Version
h3 2.0.1-rc.25
2.0.1-rc.25 is affected by 1 vulnerability.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to.
Critical 0 High 1 Medium 0 Low 0 Unrated 0
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Released 11 Jul 2026
Licence MIT
Also known from other sources 0
Newer releases 160
Database updated 23/Oct/2026
Release and licence data published by the npm registry. Licence information is not legal advice.
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01 Vulnerabilities affecting this version
h3 2.0.1-rc.25 vulnerabilities
1 vulnerability cover h3 2.0.1-rc.25. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| Denial of Service Vulnerability in h3 Package: Unbounded Chunked Cookie Count | 7.5 high | No fix published | 06 Sep 2026 |
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Questions
About h3 2.0.1-rc.25
Is h3 2.0.1-rc.25 vulnerable?
Yes. 1 vulnerability in the Vulert database cover h3 2.0.1-rc.25: 0 critical, 1 high, 0 medium and 0 low. Each entry above names the fixed version to move to.
Is 2.0.1-rc.25 the latest release of h3?
No. 2.0.1-rc.25 was published 11 Jul 2026, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor h3 for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the h3 version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.