CVE-2018-11419: Jerryscript

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_hex function via a RegExp("[\\u0") payload, related to re_parse_char_class in parser/regexp/re-parser.c.

Affected products

• Jerryscript Jerryscript: version 1.0 only

Published 2018-05-24. Last modified 2026-06-17.