CVE-2021-41751

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-05 · updated 2026-06-17
Weakness: CWE-120

Description

Buffer overflow vulnerability in file ecma-builtin-array-prototype.c:909 in function ecma_builtin_array_prototype_object_slice in Jerryscript before commit e1ce7dd7271288be8c0c8136eea9107df73a8ce2 on Oct 20, 2021.

Affected products

JerryScript: before 2021-10-20 — fixed in 2021-10-20

How to fix

Upgrade to a fixed version: JerryScript 2021-10-20. Check the vendor advisory for mitigations.

References

https://github.com/jerryscript-project/jerryscript/pull/4797
https://github.com/jerryscript-project/jerryscript/pull/4797

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