Information Exposure Affecting openssh-keycat package, versions <0:10.5p1-1.2.hum1


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.18% (8th percentile)

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  • Snyk IDSNYK-RHEL10-OPENSSHKEYCAT-21272738
  • published20 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 RHEL:10 openssh-keycat to version 0:10.5p1-1.2.hum1 or higher.
This issue was patched in RHSA-2026:82247.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh-keycat package and not the openssh-keycat package as distributed by RHEL. See How to fix? for RHEL:10 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