Vulnerability Database · Go · github.com/v2fly/v2ray-core/v4 · Version
github.com/v2fly/v2ray-core/v4 v4.42.2-0.20220101040041-e8949234fd8c
v4.42.2-0.20220101040041-e8949234fd8c is affected by 1 vulnerability.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: v4.45.2.
Critical 1 High 0 Medium 0 Low 0 Unrated 0
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Released 01 Jan 2022
Licence MIT
Also known from other sources 2
Newer releases 173
Database updated 23/Oct/2026
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01 Vulnerabilities affecting this version
github.com/v2fly/v2ray-core/v4 v4.42.2-0.20220101040041-e8949234fd8c vulnerabilities
1 vulnerability cover github.com/v2fly/v2ray-core/v4 v4.42.2-0.20220101040041-e8949234fd8c. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2021-4070: Off-by-one Error in v2fly/v2ray-core | 9.1 critical | 4.44.0 | 24 Feb 2022 |
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Questions
About github.com/v2fly/v2ray-core/v4 v4.42.2-0.20220101040041-e8949234fd8c
Is github.com/v2fly/v2ray-core/v4 v4.42.2-0.20220101040041-e8949234fd8c vulnerable?
Yes. 1 vulnerability in the Vulert database cover github.com/v2fly/v2ray-core/v4 v4.42.2-0.20220101040041-e8949234fd8c: 1 critical, 0 high, 0 medium and 0 low. The upgrade Vulert recommends is v4.45.2, and each entry above names the fixed version to move to.
Which version of github.com/v2fly/v2ray-core/v4 should I use instead of v4.42.2-0.20220101040041-e8949234fd8c?
v4.45.2 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is v4.42.2-0.20220101040041-e8949234fd8c the latest release of github.com/v2fly/v2ray-core/v4?
No. v4.42.2-0.20220101040041-e8949234fd8c was published 01 Jan 2022, 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 github.com/v2fly/v2ray-core/v4 for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the github.com/v2fly/v2ray-core/v4 version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.