What is CVE-2022-22895?

CVE-2022-22895 is a high-severity vulnerability in Jerryscript, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-01-21.

How severe is CVE-2022-22895?

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

Buffer overflow in Jerryscript

CVE-2022-22895

Jerryscript 3.0.0 was discovered to contain a heap-buffer-overflow via ecma_utf8_string_to_number_by_radix in /jerry-core/ecma/base/ecma-helpers-conversion.c.

Vulnerability class: Buffer Overflow

Published 2022-01-21 · 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: 0.008 (55.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Jerryscript — versions 3.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/jerryscript-project/jerryscript/issues/4882 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/jerryscript-project/jerryscript/issues/4850 (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-22895?: CVE-2022-22895 is a high-severity vulnerability in Jerryscript, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-01-21.
How severe is CVE-2022-22895?: High severity. CVSS v3 base score is 7.8 out of 10.