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CVE-2023-42278 hutool

Affected softwarehutool
Severity7.5 High CVSS 3.1
Fixed in5.8.22
WeaknessCWE-120
Published8 Sep 2023
Updated17 Jun 2026

Description

hutool v5.8.21 was discovered to contain a buffer overflow via the component JSONUtil.parse().

Exploitation status

Proof of concept only

A proof of concept exists, but no reviewed exploit catalogue lists this CVE.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: poc CISA recorded that an exploit has been demonstrated. Automatable: yes, technical impact: partial.
  • Indexed PoC none indexed
  • EPSS 0.84% chance in 30 days

Waratek protection

No exploit published

Within Waratek scope. In the sources we check, nobody has published exploit code for this CVE or reported it being exploited.

A public code fix exists: dromara/hutool 5c4486b.

  • Protection none
  • Action unverified
  • Review automated Upstream data
  • Record active
Decided by Exploit code for this candidate, published in a reviewed catalogue or a GitHub repository with 5 or more stars, or in use per CISA or VulnCheck; not only a CISA verdict, a forecast, or nothing at all
Finding This CVE is not listed in CISA KEV or VulnCheck KEV, CISA Vulnrichment records no active exploitation, no reviewed exploit catalogue carries an entry for it, and no GitHub PoC repository for it has 5 or more stars. Nobody has published exploit code worth tracing, so it is not a candidate for a rule ahead of the ones where somebody has; an upstream fix path does exist, so the remediation half of the candidacy still holds. This is a statement about what has been published, not about whether the defect is reachable or serious.

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
cn.hutool:hutool-core 0 5.8.22 unbounded
cn.hutool:hutool-json 0 5.8.22 unbounded

Products and versions

3 products, 3 version entries
SourceVendorProductSchemeAffected versions
osv cn.hutool hutool-core generic < 5.8.22
osv cn.hutool hutool-json generic < 5.8.22
nvd hutool hutool generic 5.8.21

References

URLTags
https://github.com/dromara/hutool/issues/3289 WEB
https://github.com/dromara/hutool/commit/5c4486b9f58a83f283868135138f6ff3741b8c12 WEB
https://github.com/dromara/hutool PACKAGE

Timeline

Published2023-09-08By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.