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Vulnerabilities of golang.org/x/crypto golang.org/x/crypto/ssh

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CVE Summary Score Published
CVE-2026-78662 Previously, a channel registered in the mux's chanList is not usable until it is established 7.5 High Sep 2, 2026
CVE-2026-56855 Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the… 7.5 High Sep 2, 2026
CVE-2026-56854 The source-address critical option in the Permissions returned by an authentication callback was only enforced for the… 7.5 High Aug 28, 2026
CVE-2026-39834 When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal… 9.1 Critical May 22, 2026
CVE-2026-46595 Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of… 10.0 Critical May 22, 2026
CVE-2026-39827 An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory… 6.5 Medium May 22, 2026
CVE-2026-39829 The RSA and DSA public key parsers did not enforce size limits on key parameters 7.5 High May 22, 2026
CVE-2026-39830 A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the… 9.1 Critical May 22, 2026
CVE-2026-39831 The Verify() method for FIDO/U2F security key types (sk-ecdsa-sha2-nistp256@openssh.com, sk-ssh-ed25519@openssh.com) did… 9.1 Critical May 22, 2026
CVE-2026-39835 SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be… 5.3 Medium May 22, 2026
CVE-2026-46597 An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for… 7.5 High May 22, 2026
CVE-2026-39828 When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were… 6.3 Medium May 22, 2026
CVE-2025-58181 SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request,… 5.3 Medium Nov 19, 2025
CVE-2025-22869 SSH servers which implement file transfer protocols are vulnerable to a denial of service attack from clients which… 7.5 High Feb 26, 2025
CVE-2024-45337 Applications and libraries which misuse connection.serverAuthenticate (via callback field… 9.1 Critical Dec 11, 2024

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