RHSA-2026:0976 — Security Advisory
Red Hat Security Advisory: openssh security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · January 22, 2026
Updated · September 1, 2026
Topic
An update for openssh is now available for Red Hat Enterprise Linux 9.4 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.
Security Fix(es):
-
openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand (CVE-2025-61984)
-
openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand (CVE-2025-61985)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.