CVE-2022-27810 json
It was possible to trigger an infinite recursion condition in the error handler when Hermes executed specific maliciously formed JavaScript.
published 2022-10-06 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-32305
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
It was possible to trigger an infinite recursion condition in the error handler when Hermes executed specific maliciously formed JavaScript. This condition was only possible to trigger in dev-mode (when asserts were enabled). This issue affects Hermes versions prior to v0.12.0.
Patch / fix
- Facebook Hermes 0.12.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2022-27810 updated
hermes: infinite recursion caused by maliciously formed JavaScript
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Facebook Hermes
Classification
- Weakness
-
- CWE-674 Uncontrolled Recursion
References
-
facebook.com
/security/advisories/cve-2022-27810
third-party-advisory
Sources
- CVE List CVE-2022-27810
- NVD CVE-2022-27810
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