CVE-2025-26466: openssh 9.6, 9.7, 9.8 (+1 more affected versions); +8 more affected products

Affected technology

openssh · 9.5 · update p1
openbsd

openssh · 9.6
openbsd

openssh · 9.6 · update p1
openbsd

openssh · 9.7
openbsd

openssh · 9.7 · update p1
openbsd

openssh · 9.8
openbsd

openssh · 9.8 · update p1
openbsd

openssh · 9.9
openbsd

openssh · 9.9 · update p1
openbsd

ubuntu linux · 24.04
canonical

ubuntu linux · 24.10
canonical

debian linux · 11.0
debian

debian linux · 12.0
debian

debian linux · 13.0
debian

Product not specified by the source · 9.5p1 through 9.9p1
Vendor not specified by the source

Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4 · Exact affected versions not specified by the source
Red Hat

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service under the conditions described by the source. Vendor/CNA’s CVSS 3.1 assessment (base score 5.9/10) rates confidentiality and integrity impact as none; availability impact as high. NVD’s CVSS 3.1 assessment (base score 5.9/10) rates confidentiality and integrity impact as none; availability impact as high.