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Critical severity9.8NVD Advisory· Published Dec 13, 2021· Updated Jun 17, 2026

CVE-2021-24045

CVE-2021-24045

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Facebook/Hermesv5
    Range: unspecified
  • Facebook/Hermesllm-fuzzy2 versions
    <0.10.0+ 1 more
    • (no CPE)range: <0.10.0
    • cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*range: <0.10.0

Patches

Vulnerability mechanics

References

2

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