Information Exposure Affecting openssh-keycat-debuginfo package, versions <0:9.9p1-16.amzn2023.0.1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.18% (8th percentile)

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  • Snyk IDSNYK-AMZN2023-OPENSSHKEYCATDEBUGINFO-22102111
  • published31 Oct 2026
  • disclosed6 Oct 2026

Introduced: 6 Oct 2026

CVE-2026-106582  (opens in a new tab)
CWE-205  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 openssh-keycat-debuginfo to version 0:9.9p1-16.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-3354.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh-keycat-debuginfo package and not the openssh-keycat-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

In sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 "Crossing the Streams" findings.

CVSS Base Scores

version 3.1