CVE-2023-42277: hutool Buffer Overflow vulnerability

cn.hutool:hutool-core Updated 02 Oct 2025

Summary

09/09/2023

Disclosed on

CVE-2023-42277

CVE

No i

Fix available

Critical

Severity

9.8

CVSS Score

CVE-2023-42277: hutool Buffer Overflow vulnerability. Affects cn.hutool:hutool-core versions < 5.8.21. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or Browse

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats

SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml

Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile

Javascript package-lock.json · yarn.lock · pnpm-lock.yaml

PHP composer.lock

Python poetry.lock · requirements.txt · Pipfile.lock

Go go.mod

Rust Cargo.lock

Ruby Gemfile.lock

Dart pubspec.lock

C/C++ conan.lock

Elixir mix.lock

Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Background

The hutool package is a Java library that provides a wide range of utility methods and tools for various tasks. It includes components for JSON manipulation, among other functionalities. The vulnerability affects versions up to and including 5.8.21 of the hutool-core and hutool-json packages.

Vulnerability Detail

The vulnerability in hutool v5.8.21 is a buffer overflow issue that arises from the jsonObject.putByPath component. This vulnerability can be exploited to execute arbitrary code or cause a denial-of-service attack. It poses a moderate risk to systems utilizing the affected versions of hutool.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

No workaround has been provided for this vulnerability.

Conclusion

The hutool Buffer Overflow vulnerability in versions up to and including 5.8.21 poses a moderate risk to systems utilizing the hutool-core and hutool-json packages. It is recommended to upgrade to a version beyond 5.8.21 and validate user input to mitigate the risk. For further support on vulnerability remediation, contact DevNack.com.

See every vulnerability recorded for cn.hutool:hutool-core →