CVE-2026-42505
1 advisory.
Go/stdlib CVE-2026-42505: unknown, EPSS 0.38%
Invoking Encrypted Client Hello privacy leak in crypto/tls
Action: Upgrade stdlib to 1.25.12 or later.
Upgrade Go to 1.25.12.
Upgrade Go to 1.26.5.
Upgrade Go to 1.27.0-rc.2.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.25.12 | - |
| 1.26.0-0 | 1.26.5 | - |
| 1.27.0-0 | - | - |
Fixed versions
| 1.25.12 | 1.26.5 | 1.27.0-rc.2 |
Sources
- osv: GO-2026-5856
- https://go.dev/cl/775960
- https://go.dev/issue/79282
- https://groups.google.com/g/golang-announce/c/OrmQE_Yp5Sc
CVE-2026-42505 · published · modified · JSON