CVE-2021-41751

CRITICALNVD 9.89.8—Trending — 3 sources updated this week

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 64.3%
KEV: Not listed

Published

April 5, 2022

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/jerryscript-project/jerryscript/pull/4797
af854a3a-2127-422b-91ae-364da2661108https://github.com/jerryscript-project/jerryscript/pull/4797

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 00:27 UTCEG score recompute
2026-05-26 00:27 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-41751?

CVE-2021-41751 is a critical vulnerability published on April 5, 2022. Buffer overflow vulnerability in file ecma-builtin-array-prototype.c:909 in function ecmabuiltinarrayprototypeobject_slice in Jerryscript before commit e1ce7dd7271288be8c0c8136eea9107df73a8ce2 on Oct 20, 2021.

When was CVE-2021-41751 disclosed?

CVE-2021-41751 was first published in the National Vulnerability Database on April 5, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-41751 actively exploited?

CVE-2021-41751 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-41751?

CVE-2021-41751 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-41751?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-41751, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-41751

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CVE-2021-41751

📅 Published

🔄 Last Modified

🔗 References (2)