Failure to Sanitize Special Element Affecting openssh-clients package, versions <0:8.7p1-47.0.1.el9_7


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-ORACLE9-OPENSSHCLIENTS-14528363
  • published19 Dec 2025
  • disclosed6 Oct 2025

Introduced: 6 Oct 2025

CVE-2025-61984  (opens in a new tab)
CWE-159  (opens in a new tab)

How to fix?

Upgrade Oracle:9 openssh-clients to version 0:8.7p1-47.0.1.el9_7 or higher.
This issue was patched in ELSA-2025-23480.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh-clients package and not the openssh-clients package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)

CVSS Base Scores

version 3.1