CVE-2021-41959: Jerryscript

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

JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.

Affected products

• Jerryscript Jerryscript: affected versions not specified

Published 2022-05-03. Last modified 2026-06-17.