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High, CVSS 7.5

json stack overflow vulnerability

CVE-2022-45688GHSA-3vqj-43w4-2q58

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.json:json 20230227; cn.hutool:hutool-json 5.8.25), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
  • CVE-2022-45688: 1.26% estimated exploitation activity in the next 30 days; percentile 69.70 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

A stack overflow in the XML.toJSONObject component of hutool-json v5.8.10 and org.json:json before version 20230227 allows attackers to cause a Denial of Service (DoS) via crafted JSON or XML data.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-3vqj-43w4-2q58

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2022-45688

Advisory: json stack overflow vulnerability
IDs: CVE-2022-45688, GHSA-3vqj-43w4-2q58
Record: https://patchnext.com/advisories/cve-2022-45688 (revision 1, source checked 26 Oct 2026, 16:29 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: org.json:json 20230227; cn.hutool:hutool-json 5.8.25. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.json:json: affected < 20230227; fixed in 20230227
- Maven cn.hutool:hutool-json: affected < 5.8.25; fixed in 5.8.25

## Suggested inspection (read-only)
- Maven org.json:json: check the installed version with your package manager.
- Maven cn.hutool:hutool-json: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.json:json, cn.hutool:hutool-json.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-3vqj-43w4-2q58 (GitHub-reviewed advisory GHSA-3vqj-43w4-2q58 lists affected ranges: Maven org.json:json >=0 =0 <5.8.25)

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