CVE-2021-46339: Jerryscript

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

There is an Assertion 'lit_is_valid_cesu8_string (string_p, string_size)' failed at /base/ecma-helpers-string.c(ecma_new_ecma_string_from_utf8) in JerryScript 3.0.0.

Affected products

• Jerryscript Jerryscript: version 3.0.0 only

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