What’s Vulnerable › Vulnerabilities

CVE-2021-46170

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-14 · updated 2026-06-17
• Weakness: CWE-416

Description

An issue was discovered in JerryScript commit a6ab5e9. There is an Use-After-Free in lexer_compare_identifier_to_string in js-lexer.c file.

Affected products

• JerryScript: 2.3.0

References

• https://github.com/jerryscript-project/jerryscript/issues/4917
• https://github.com/jerryscript-project/jerryscript/issues/4917

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