CVE-2023-36109

9.8 criticalEPSS 2.4%

Critical (9.8) in jerryscript jerryscript. EPSS 2.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.4% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2023-09-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

jerryscript:jerryscript

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

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