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CVE-2025-58187GO-2025-4007BIT-GOLANG-2025-58187

Quadratic complexity when checking name constraints in crypto/x509

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.24.9, 1.25.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

Due to the design of the name constraint checking algorithm, the processing time of some inputs scale non-linearly with respect to the size of the certificate. This affects programs which validate arbitrary certificate chains.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • crypto/x509

    fixed in 1.24.9; From 1.25.0 · fixed in 1.25.3

  • stdlibGo

    fixed in 1.24.9; From 1.25.0 · fixed in 1.25.3

References 4

go.dev

groups.google.com

pkg.go.dev