CVSS v3
9.8
CRITICAL
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2018-05-24
Frequently asked questions
What is CVE-2018-11419?
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.
Is CVE-2018-11419 actively exploited?
Active exploitation of CVE-2018-11419 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-11419?
CVE-2018-11419 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-11419 affecting your environment?
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