CVE-2021-24044

Summary

By passing invalid javascript code where await and yield were called upon non-async and non-generator getter/setter functions, Hermes would invoke generator functions and error out on invalid await/yield positions. This could result in segmentation fault as a consequence of type confusion error, with a low chance of RCE. This issue affects Hermes versions prior to v0.10.0.

Affected Software

VendorProductVersion RangeStatus
FacebookHermes0.10.0 < unspecifiedunaffected
FacebookHermesunspecified < 0.10.0affected

Weaknesses

  • CWE-843: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

ADP Enrichment

CVE Program Container

Additional References

References