CVE-2023-36109: Jerryscript

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.

Affected products

• Jerryscript Jerryscript: version 3.0 only

Published 2023-09-20. Last modified 2026-06-17.