What’s Vulnerable › Vulnerabilities

CVE-2025-22874: Usage of ExtKeyUsageAny disables policy validation in crypto/x509

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-11 · updated 2026-06-17

Description

Calling Verify with a VerifyOptions.KeyUsages that contains ExtKeyUsageAny unintentionally disabledpolicy validation. This only affected certificate chains which contain policy graphs, which are rather uncommon.

Affected products

• Go standard library crypto/x509: from 1.24.0-0 before 1.24.4 — fixed in 1.24.4

How to fix

Upgrade to a fixed version: Go standard library crypto/x509 1.24.4. Check the vendor advisory for mitigations.

References

• https://go.dev/cl/670375
• https://go.dev/issue/73612
• https://groups.google.com/g/golang-announce/c/ufZ8WpEsA3A
• https://pkg.go.dev/vuln/GO-2025-3749

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