What’s Vulnerable › Vulnerabilities

CVE-2021-26195

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% 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

An issue was discovered in JerryScript 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.

Affected products

• JerryScript: 2.4.0

References

• https://github.com/jerryscript-project/jerryscript/issues/4442
• https://github.com/jerryscript-project/jerryscript/issues/4442

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