Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Go standard library | crypto/x509 | unaffected |
|
No data.
| Vendor | Product | Versions |
|---|---|---|
| Go Standard Library | Crypto Tls | — |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.304% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Golang
Golang go |
|
| CPEs | cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Golang
Golang go |
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-295 | |
| References |
| |
| Metrics |
threat_severity
|
threat_severity
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Go Standard Library
Go Standard Library crypto Tls |
|
| Vendors & Products |
Go Standard Library
Go Standard Library crypto Tls |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com. | |
| Title | Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509 | |
| References |
|
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OpenCVE enrichment
Updated: Dec 4, 2025, 4:43 PM