golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: SSH client panic due to unexpected SSH_AGENT_SUCCESS

A flaw in golang.org/x/crypto/ssh/agent causes the SSH agent client to panic when a peer responds with the generic SSHAGENTSUCCESS 0x06 message to requests expecting typed replies e.g., List, Sign. The unmarshal layer produces an unexpected message type, which the client code does not handle,...

CLEANSTART-2026-QW16951 SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process

Multiple security vulnerabilities affect the cert-manager-webhook-pdns-fips package. SSH clients receiving SSHAGENTSUCCESS when expecting a typed response will panic and cause early termination of the client process. See references for individual vulnerability details...

CVE-2025-47913

SSH clients are vulnerable to a panic and early termination of the client process when receiving an SSH_AGENT_SUCCESS message while expecting a typed response. This issue is caused by a reachable assertion (CWE-617) in the golang.org/x/crypto/ssh/agent component. Affected products include IBM Sec...