What’s Vulnerable › Vulnerabilities

CVE-2023-31906

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-05-10 · updated 2026-06-17
• Weakness: CWE-787

Description

Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.

Affected products

• JerryScript: 3.0.0

References

• https://github.com/jerryscript-project/jerryscript/issues/5066
• https://github.com/jerryscript-project/jerryscript/issues/5066

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