AIKIDO-2026-11028
golang.org/x/crypto is vulnerable to Integer Overflow
91
Critical Risk
This Affects:
golang.org/x/cryptoTL;DR
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 packets without making progress. The size comparison now uses int64 to prevent truncation.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and if you use the golang.org/x/crypto/ssh functionalities.
Background info
golang.org/x/crypto is vulnerable to Integer Overflow in versions 0.0.0 - 0.51.0.
How to fix this
Upgrade the golang.org/x/crypto library to the patch version.
Are You Affected?
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SOC 2Compliant
ISO 27001Compliant