First published: Mon Dec 13 2021(Updated: )
A type confusion vulnerability could be triggered when resolving the "typeof" unary operator in Facebook Hermes prior to v0.10.0. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.
Credit: cve-assign@fb.com
Affected Software | Affected Version | How to fix |
---|---|---|
Facebook Hermes | <0.10.0 |
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CVE-2021-24045 is a type confusion vulnerability in Facebook Hermes prior to v0.10.0.
CVE-2021-24045 has a severity rating of 9.8 (critical).
CVE-2021-24045 can be exploited if the application using Hermes permits evaluation of untrusted JavaScript.
Yes, Facebook Hermes versions prior to v0.10.0 are affected by CVE-2021-24045.
You can find more information about CVE-2021-24045 at the following references: [link1](https://github.com/facebook/hermes/commit/55e1b2343f4deb1a1b5726cfe1e23b2068217ff2), [link2](https://www.facebook.com/security/advisories/cve-2021-24045).