fix(security/unknown/): update module golang.org/x/crypto to v0.56.0 [security] (release-v2.10) - #7847
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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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This PR contains the following updates:
v0.55.0→v0.56.0Warning
Some dependencies could not be looked up. Check the Dependency Dashboard for more information.
Prevent 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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