What is CVE-2023-51075?

CVE-2023-51075 is a high-severity vulnerability in Hutool, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2023-12-27.

How severe is CVE-2023-51075?

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

Vulnerability in Hutool

CVE-2023-51075

hutool-core v5.8.23 was discovered to contain an infinite loop in the StrSplitter.splitByRegex function. This vulnerability allows attackers to cause a Denial of Service (DoS) via manipulation of the first two parameters.

Published 2023-12-27 · 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: 0.007 (49.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Hutool

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

github.com/dromara/hutool/issues/3421 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2023-51075?: CVE-2023-51075 is a high-severity vulnerability in Hutool, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2023-12-27.
How severe is CVE-2023-51075?: High severity. CVSS v3 base score is 7.5 out of 10.