What’s Vulnerable › Vulnerabilities

CVE-2020-23321

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-10 · updated 2026-06-17
• Weakness: CWE-787

Description

There is a heap-buffer-overflow at lit-strings.c:431 in lit_read_code_unit_from_utf8 in JerryScript 2.2.0.

Affected products

• JerryScript: 2.2.0

References

• https://github.com/jerryscript-project/jerryscript/issues/3870
• https://github.com/jerryscript-project/jerryscript/issues/3870

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