What is CVE-2022-45690?

CVE-2022-45690 is a high-severity vulnerability in Hutool, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-12-13.

How severe is CVE-2022-45690?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Hutool

CVE-2022-45690

A stack overflow in the org.json.JSONTokener.nextValue::JSONTokener.java component of hutool-json v5.8.10 allows attackers to cause a Denial of Service (DoS) via crafted JSON or XML data.

Vulnerability class: Buffer Overflow

Published 2022-12-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/dromara/hutool/issues/2746 (Exploit, Third Party Advisory, Issue Tracking)
github.com/stleary/JSON-java/issues/654 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-45690?: CVE-2022-45690 is a high-severity vulnerability in Hutool, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-12-13.
How severe is CVE-2022-45690?: High severity. CVSS v3 base score is 7.5 out of 10.