CVE-2021-46342: Jerryscript

Medium severity, CVSS 5.5. EPSS: 0.6% chance of exploitation in the next 30 days.

There is an Assertion 'ecma_is_lexical_environment (obj_p) || !ecma_op_object_is_fast_array (obj_p)' failed at /jerry-core/ecma/base/ecma-helpers.c in JerryScript 3.0.0.

Affected products

• Jerryscript Jerryscript: version 3.0.0 only

Published 2022-01-20. Last modified 2026-06-17.