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VULNERABILITIES

CVE-2021-24044 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.facebook.com/security/advisories/cve-2021-24044 CVEVendor Advisory
https://www.facebook.com/security/advisories/cve-2021-24044 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-843Access of Resource Using Incompatible Type ('Type Confusion')[email protected]
CWE-843Access of Resource Using Incompatible Type ('Type Confusion')[email protected]

Affected Products

ProductVersions
facebook hermes
< 0.10.0

CPE

  • cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-24044
NVD Published Date:
Jan 15, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-24044 Details - Not Deferred