What’s Vulnerable › Vulnerabilities

CVE-2023-42276

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-08 · updated 2026-06-17
• Weakness: CWE-120

Description

hutool v5.8.21 was discovered to contain a buffer overflow via the component jsonArray.

Affected products

• Hutool: before 5.8.22 — fixed in 5.8.22

How to fix

Upgrade to a fixed version: Hutool 5.8.22. Check the vendor advisory for mitigations.

References

• https://github.com/dromara/hutool/issues/3286
• https://github.com/dromara/hutool/issues/3286

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