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CRITICAL

CVE-2018-11419

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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