CVE-2026-42507
1 advisory.
Go/stdlib CVE-2026-42507: unknown
Arbitrary inputs are included in errors without any escaping in net/textproto
Action: Upgrade stdlib to 1.25.11 or later.
Upgrade Go to 1.25.11.
Upgrade Go to 1.26.4.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.25.11 | - |
| 1.26.0-0 | 1.26.4 | - |
Fixed versions
| 1.25.11 | 1.26.4 |
Sources
- osv: GO-2026-5039
- https://go.dev/issue/79346
- https://go.dev/cl/777060
- https://groups.google.com/g/golang-announce/c/tKs3rmcBcKw
CVE-2026-42507 · published · modified · JSON