Package impact

golang Go / golang.org/x/crypto

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CVE Severity CVSS Risk Flags OS Vendor Published Description
CVE-2026-46595 critical 10.0 10.0 14d ago Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would…
CVE-2026-42508 critical 9.1 9.1 14d ago Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
CVE-2026-39834 critical 9.1 9.1 14d ago When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty pack…
CVE-2026-39833 critical 9.1 9.1 14d ago The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indicatio…
CVE-2026-39832 critical 9.1 9.1 14d ago When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not serialized in the request. Destination restrictions were silently stripped when forward…
CVE-2026-39831 critical 9.1 9.1 14d ago The Verify() method for FIDO/U2F security key types (sk-ecdsa-sha2-nistp256@openssh.com, sk-ssh-ed25519@openssh.com) did not check the User Presence flag. Signatures generated without physical touch …
CVE-2026-39830 critical 9.1 9.1 14d ago A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), r…
CVE-2026-39827 medium 6.5 6.5 14d ago An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users.…
CVE-2026-39828 medium 6.3 6.3 14d ago When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as forc…
CVE-2023-48795 medium 5.9 5.9 3y ago The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from…
CVE-2019-11840 medium 5.9 5.9 7y ago An issue was discovered in the supplementary Go cryptography library, golang.org/x/crypto, before v0.0.0-20190320223903-b7391e95e576. A flaw was found in the amd64 implementation of the golang.org/x/…
CVE-2022-27191 medium 5.5 4y ago RHSA-2022:7469: container-tools:4.0 security and bug fix update (Moderate)
CVE-2020-29652 medium 5.5 4y ago A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.
CVE-2026-46598 medium 5.3 5.3 14d ago For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used.
CVE-2026-39835 medium 5.3 5.3 14d ago 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…