# hermes-engine (npm) vulnerabilities

7 known vulnerabilities, with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://www.npmjs.com/package/hermes-engine

## Advisories (7)

### [CVE-2021-24044](https://cve.now/CVE-2021-24044): By passing invalid javascript code where await and yield were called upon non-async and non-generator getter/setter functions, Hermes…

- Severity: Unrated
- Published: Jan 15, 2022
- Affected: fixed in 0.10.0.

### [CVE-2021-24037](https://cve.now/CVE-2021-24037): A use after free in hermes, while emitting certain error messages, prior to commit d86e185e485b6330216dee8e854455c694e3a36e allows…

- Severity: Unrated
- Published: Jun 15, 2021
- Affected: fixed in 0.8.0.

### [CVE-2020-1915](https://cve.now/CVE-2020-1915): An out-of-bounds read in the JavaScript Interpreter in Facebook Hermes prior to commit 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0 allows…

- Severity: Unrated
- Published: Oct 26, 2020
- Affected: fixed in 0.7.2.

### [CVE-2020-1914](https://cve.now/CVE-2020-1914): A logic vulnerability when handling the SaveGeneratorLong instruction in Facebook Hermes prior to commit…

- Severity: Unrated
- Published: Oct 8, 2020
- Affected: fixed in 0.7.2.

### [CVE-2020-1913](https://cve.now/CVE-2020-1913): An Integer signedness error in the JavaScript Interpreter in Facebook Hermes prior to commit 2c7af7ec481ceffd0d14ce2d7c045e475fd71dc6…

- Severity: Unrated
- Published: Sep 9, 2020
- Affected: fixed in 0.5.2.

### [CVE-2020-1912](https://cve.now/CVE-2020-1912): An out-of-bounds read/write vulnerability when executing lazily compiled inner generator functions in Facebook Hermes prior to commit…

- Severity: Unrated
- Published: Sep 9, 2020
- Affected: fixed in 0.5.2.

### [CVE-2020-1911](https://cve.now/CVE-2020-1911): A type confusion vulnerability when resolving properties of JavaScript objects with specially-crafted prototype chains in Facebook Hermes…

- Severity: Unrated
- Published: Sep 4, 2020
- Affected: fixed in 0.5.2.

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