Security vulnerabilities and automated fixes for resource leak issues
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A Denial of Service vulnerability in `golang.org/x/crypto/ssh` (CVE-2026-39830) allowed attackers to exhaust server resources by sending unsolicited SSH responses that were never properly cleaned up. The fix upgrades `golang.org/x/crypto` from `v0.50.0` to `v0.52.0` in `go.mod`, patching the resource leak in the SSH package's response handling logic. Any Go application that uses the `golang.org/x/crypto/ssh` package for SSH client or server functionality was potentially exposed.