Vulnerability Database · npm · hermes-engine · Version
hermes-engine 0.5.2-rc1
0.5.2-rc1 is affected by 7 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 0.11.0.
Critical 4 High 3 Medium 0 Low 0 Unrated 0
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Released 03 Aug 2020
Status deprecated release
Licence MIT
Also known from other sources 7
Newer releases 21
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
hermes-engine 0.5.2-rc1 vulnerabilities
7 vulnerabilities cover hermes-engine 0.5.2-rc1. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2021-24037: Use After Free in hermes-engine | 9.8 critical | 0.8.0 | 24 May 2022 |
| CVE-2020-1914: Always-Incorrect Control Flow Implementation in Facebook Hermes | 9.8 critical | 0.7.2 | 24 May 2022 |
| CVE-2020-1911: Incompatible Type Access in Facebook Hermes | 9.8 critical | 0.5.2 | 24 May 2022 |
| CVE-2021-24044: Hermes Engine - Access of Resource Using Incompatible Type | 9.8 critical | 0.10.0 | 16 Jan 2022 |
| CVE-2020-1913: Signed to Unsigned Conversion Error in Facebook Hermes | 8.1 high | 0.5.2 | 24 May 2022 |
| CVE-2020-1912: Out-of-bounds Read and Write in Facebook Hermes | 8.1 high | 0.5.2 | 24 May 2022 |
| CVE-2020-1915: Out-of-bounds Read in Facebook Hermes | 7.5 high | 0.7.2 | 24 May 2022 |
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Questions
About hermes-engine 0.5.2-rc1
Is hermes-engine 0.5.2-rc1 vulnerable?
Yes. 7 vulnerabilities in the Vulert database cover hermes-engine 0.5.2-rc1: 4 critical, 3 high, 0 medium and 0 low. The upgrade Vulert recommends is 0.11.0, and each entry above names the fixed version to move to.
Which version of hermes-engine should I use instead of 0.5.2-rc1?
0.11.0 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 0.5.2-rc1 the latest release of hermes-engine?
No. 0.5.2-rc1 was published 03 Aug 2020, 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 hermes-engine for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the hermes-engine version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.