GO-2026-5015
Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/ssh
At a glance
- Published
- Updated
- CVE
- CVE-2026-39835
- Aliases
- GHSA-78mq-xcr3-xm33
Description
SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.
Affected packages
| Package | Versions |
|---|---|
| Go · golang.org/x/crypto | introduced 0, fixed 0.52.0 |
References
- https://go.dev/issue/79563 REPORT
- https://groups.google.com/g/golang-announce/c/a082jnz-LvI WEB
- https://go.dev/cl/781660 FIX
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |