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Vulnerability Report: GO-2025-4116

CVE-2025-47913
Affects: golang.org/x/crypto
Published: Nov 13, 2025
Modified: Dec 16, 2025

SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.

Affected Packages

Path

Go Versions

Symbols
golang.org/x/crypto/ssh/agent

before v0.43.0
6 unexported affected symbols
- agentKeyringSigner.Sign
- agentKeyringSigner.SignWithAlgorithm
- client.List
- client.Sign
- client.SignWithFlags
- client.Signers

Aliases

CVE-2025-47913

References

Credits

Jakub Ciolek, Nicola Murino

Feedback

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