Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation.
DevWorkspace Operator 0.42.0 release.
Released 2026-07-08 · Red Hat rating Important · View on Red Hat →
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation.
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 be skipped.
The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label.
A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop.
The RSA and DSA public key parsers did not enforce size limits on key parameters.
Validating certificate chains which use policies is unexpectedly inefficient when certificates in the chain contain a very large number of policy mappings, possibly causing denial of service.
When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a sec…