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CVE-2026-39834 Medium False Positive

ssh: Infinite Loop on Channel Writes Due to Integer Overflow

This CVE does not affect KrakenD

KrakenD does not implement or expose SSH functionality. The golang.org/x/crypto/ssh package is a transitive dependency but its SSH channel code paths are never invoked during KrakenD operation. The dependency was upgraded as a precaution.

Addressed through routine dependency maintenance in CE 2.13.6 and EE 2.13.4.

Component

golang.org/x/crypto (SSH)

Disclosed

May 26, 2026

Description

An integer overflow in Go’s golang.org/x/crypto/ssh payload size calculation causes an infinite loop when performing channel writes larger than 4 GB. This can hang the affected goroutine indefinitely, consuming resources and potentially causing denial of service.

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