What’s Vulnerable › Vulnerabilities

CVE-2023-36109

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-20 · updated 2026-06-17
• Weakness: CWE-120

Description

Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.

Affected products

• JerryScript: 3.0

References

• https://github.com/Limesss/CVE-2023-36109/tree/main
• https://github.com/jerryscript-project/jerryscript/issues/5080
• https://github.com/Limesss/CVE-2023-36109/tree/main
• https://github.com/jerryscript-project/jerryscript/issues/5080

Get alerted when CVE-2023-36109 or the next vulnerability affects your stack