Infinite Recursion Vulnerability in Hermes JavaScript Engine by Facebook
CVE-2022-27810

7.5HIGH

Key Information:

Vendor

Facebook

Status
Hermes
Vendor
CVE Published:
6 October 2022

What is CVE-2022-27810?

A vulnerability exists in the error handler of the Hermes JavaScript Engine that can be exploited through specifically crafted malicious JavaScript. This issue allows an attacker to trigger an infinite recursion condition when Hermes operates in development mode, where assertions are enabled. The vulnerability affects Hermes versions prior to v0.12.0, posing a risk during the debugging process and requiring users to ensure they are using updated versions to mitigate this security flaw.

Affected Version(s)

Hermes < 0.12.0

Hermes 0.12.0

References

https://www.facebook.com/security/advisories/cve-2022-27810

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.