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Critical severity9.8NVD Advisory· Published Apr 7, 2022· Updated Jun 17, 2026

CVE-2021-43453

CVE-2021-43453

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Jerryscript/Jerryscript3 versions
    cpe:2.3:a:jerryscript:jerryscript:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:jerryscript:jerryscript:*:*:*:*:*:*:*:*range: <=2.4.0
    • (no CPE)
    • (no CPE)range: <=2.4.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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