5.9
Medium
CVE-2026-27138 Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in…
Description
Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| crypto/x509 1.26 | 1.26.0-0 → < 1.26.1 | 1.26.1 |
References
- groups.google.com groups.google.com
- go.dev go.dev
- go.dev go.dev
- pkg.go.dev pkg.go.dev
Timeline
- Published
- Last modified
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The 15 CVEs of crypto/x509 →
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