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GHSA-qpw4-5x99-6vjp

golang.org/x/crypto: Invoking memory leak when rejecting channels can lead to DoS

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-39827

Packages

EcosystemPackageAffectedFixed in
Go golang.org/x/crypto < 0.52.0 0.52.0

Details

As written in the advisory (Markdown source, shown as plain text).

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. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.

References

External links from the advisory. They lead to third-party sites.