What is CVE-2021-41752?

CVE-2021-41752 is a critical-severity vulnerability in Jerryscript, classified under Uncontrolled Recursion. CVSS score: 9.8/10. Published 2022-04-05.

How severe is CVE-2021-41752?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Jerryscript

CVE-2021-41752

Stack overflow vulnerability in Jerryscript before commit e1ce7dd7271288be8c0c8136eea9107df73a8ce2 on Oct 20, 2021 due to an unbounded recursive call to the new opt() function.

Published 2022-04-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Jerryscript

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

github.com/jerryscript-project/jerryscript/issues/4779 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-41752?: CVE-2021-41752 is a critical-severity vulnerability in Jerryscript, classified under Uncontrolled Recursion. CVSS score: 9.8/10. Published 2022-04-05.
How severe is CVE-2021-41752?: Critical severity. CVSS v3 base score is 9.8 out of 10.