CVE-2022-22138: Fast String Search Project Fast String Search

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

All versions of package fast-string-search are vulnerable to Denial of Service (DoS) when computations are incorrect for non-string inputs. One can cause the V8 to attempt reading from non-permitted locations and cause a segmentation fault due to the violation.

Affected products

• Fast String Search Project Fast String Search: any version

Published 2022-06-17. Last modified 2026-06-17.