CVE-2021-43453

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A Heap-based Buffer Overflow vulnerability exists in JerryScript 2.4.0 and prior versions via an out-of-bounds read in parser_parse_for_statement_start in the js-parser-statm.c file. This issue is similar to CVE-2020-29657.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-125

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Apr 7, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

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CVE-2021-43453: Critical severity, CVSS 9.8 | Vulnix