What’s Vulnerable › Vulnerabilities

CVE-2017-18212

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-03-01 · updated 2026-06-17
• Weakness: CWE-125

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 in lit/lit-char-helpers.c via a RegExp("[\x0"); payload.

Affected products

• JerryScript: 1.0

References

• https://github.com/jerryscript-project/jerryscript/issues/2140
• https://github.com/jerryscript-project/jerryscript/issues/2140

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