GO-2026-4599
Incorrect enforcement of email constraints in crypto/x509
At a glance
- Published
- Updated
- CVE
- CVE-2026-27137
- Aliases
- BIT-golang-2026-27137
Description
When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.
Affected packages
| Package | Versions |
|---|---|
| Go · stdlib | introduced 1.26.0-0, fixed 1.26.1 |
References
- https://go.dev/cl/752182 FIX
- https://go.dev/issue/77952 REPORT
- https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |