What’s Vulnerable › Vulnerabilities

CVE-2023-4316: Zod 3.22.2 - Regular expression Denial of Service

• Severity: high (CVSS 7.5 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: 2023-09-28 · updated 2026-06-17
• Weakness: CWE-1333

Description

Zod in versions 3.21.0 up to and including 3.22.3 allows an attacker to perform a denial of service while validating emails.

Affected products

• Zod: 3.22.2
• Npm Zod: before 3.22.3 — fixed in 3.22.3

How to fix

Upgrade to a fixed version: Npm Zod 3.22.3. Check the vendor advisory for mitigations.

References

• https://fluidattacks.com/advisories/swift
• https://www.npmjs.com/package/zod
• https://fluidattacks.com/advisories/swift
• https://www.npmjs.com/package/zod

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