What is CVE-2021-44988?

CVE-2021-44988 is a high-severity vulnerability in Jerryscript, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.8/10. Published 2022-01-25.

How severe is CVE-2021-44988?

High severity. CVSS v3 base score is 7.8 out of 10.

Resource exhaustion in Jerryscript

CVE-2021-44988

Jerryscript v3.0.0 and below was discovered to contain a stack overflow via ecma_find_named_property in ecma-helpers.c.

Published 2022-01-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.7th percentile), scored 2026-10-04.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Jerryscript — versions 3.0.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security.samsungmobile.com/securityUpdate.smsb (Not Applicable)
github.com/jerryscript-project/jerryscript/issues/4890 (Exploit, Patch, Third Party Advisory)
github.com/jerryscript-project/jerryscript/issues/4891 (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-44988?: CVE-2021-44988 is a high-severity vulnerability in Jerryscript, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.8/10. Published 2022-01-25.
How severe is CVE-2021-44988?: High severity. CVSS v3 base score is 7.8 out of 10.