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Fencer Vulns
high 7.5

CVE-2022-45690 json

hutool-json stack overflow vulnerability

published 2022-12-13 3 y ago modified 2026-06-17 4 mo ago also GHSA-whgh-g24c-3j5q , EUVD-2022-7762

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

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.

Patch / fix

  • maven cn.hutool:hutool-json 5.8.11
  • stleary json-java 20220320
  • hutool hutool 5.8.11

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/dromara/hutool/issues/2746 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/stleary/JSON-java/issues/654 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven cn.hutool:hutool-json
<5.8.11
5.8.11

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.