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fix(security/unknown/): update module golang.org/x/crypto to v0.56.0 [security] (v1.x) - #6352
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ℹ️ Artifact update noticeFile name: go.modIn order to perform the update(s) described in the table above, Renovate ran the
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…[security] | datasource | package | from | to | | ---------- | ------------------- | ------- | ------- | | go | golang.org/x/crypto | v0.55.0 | v0.56.0 | Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
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Edited/Blocked NotificationRenovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR. You can manually request rebase by checking the rebase/retry box above. |
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This PR contains the following updates:
v0.55.0→v0.56.0Prevent DoS on deadlocked undecided channel in golang.org/x/crypto/ssh
CVE-2026-78662 / GO-2026-6354
More information
Details
Previously, a channel registered in the mux's chanList is not usable until it is established. A malicious peer was able flood the channel's incomingRequests, deadlocking the entire connection.
Now, we add an atomic established state, set when a channel becomes usable. Until such a time, handlePacket drops every packet other than the open confirmation/failure, without blocking and without tearing down the connection.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
Prevent DoS on deadlocked established channel in golang.org/x/crypto/ssh
CVE-2026-56855 / GO-2026-6355
More information
Details
Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection.
Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connection down instead of buffering and blocking.
Severity
Unknown
References
This data is provided by OSV and the Go Vulnerability Database (CC-BY 4.0).
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