The vulnerability of the VerifyHostKeyDNS component in the OpenSSH cryptographic security tool allows a attacker to perform XSS attacks.

The vulnerability of the VerifyHostKeyDNS component in the OpenSSH cryptographic security tool is related to deficiencies in error handling during host key verification. Exploiting this vulnerability allows a malicious actor to perform XSS attacks remotely...

Fedora: Security Advisory (FEDORA-2025-62f6cb2785)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2025:0605-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

The vulnerability of the OpenSSH server, related to uncontrolled resource consumption, allows a hacker to cause a service failure.

The vulnerability of the OpenSSH server security tool is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...

Siemens SIMATIC and SCALANCE Devices OS Command Injection (CVE-2023-51385)

In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an expansion token in certain situations. For example, an untrusted Git repository can have a submodule with shell metacharacters in a user name or...

CentOS 9 : openssh-8.7p1-45.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the openssh-8.7p1-45.el9 build changelog. - A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious...

SUSE-SU-2025:0659-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2025-26465: Fixed a MitM attack against OpenSSH's VerifyHostKeyDNS-enabled client bsc1237040. - Add a s390 specific ioctl for ECC hardware support bsc1225637: - for migration to openssh 8.4: write active/enabled switch over files only if n...

Openssh: machine-in-the-middle attack if verifyhostkeydns is enabled

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SUSE SLES15: openssh / openssh-askpass-gnome / openssh-clients / openssh-common / etc (SUSE-SU-2025:0605-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:0605-1 advisory. - CVE-2025-26465: Fixed MitM attack against OpenSSH's VerifyHostKeyDNS-enabled client bsc1237040. Tenable has extracted the preceding...

FreeBSD-SA-25:05.openssh

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-25:05.openssh Security Advisory The FreeBSD Project Topic: Multiple vulnerabilities in OpenSSH Category: contrib Module: openssh Announced: 2025-02-21 Credits:...

Photon OS 4.0: Openssh PHSA-2025-4.0-0757

An update of the openssh package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2025-4.0-0757. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

FreeBSD -- Multiple vulnerabilities in OpenSSH

Problem Description: OpenSSH client host verification error CVE-2025-26465 ssh1 contains a logic error that allows an on-path attacker to impersonate any server during certain conditions when the VerifyHostKeyDNS option is enabled. OpenSSH server denial of service CVE-2025-26466 The OpenSSH clien...

Security update for openssh

This update for openssh fixes the following issues: CVE-2025-26465: Fixed MitM attack against OpenSSH's VerifyHostKeyDNS-enabled client bsc1237040. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively...

SUSE-SU-2025:0605-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2025-26465: Fixed MitM attack against OpenSSH's VerifyHostKeyDNS-enabled client bsc1237040...

[SECURITY] Fedora 41 Update: openssh-9.9p1-3.fc41

SSH Secure SHell is a program for logging into and executing commands on a remote machine. SSH is intended to replace rlogin and rsh, and to provide secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP/IP ports can also be forward...

Photon OS 5.0: Openssh PHSA-2025-5.0-0475

An update of the openssh package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2025-5.0-0475. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Fedora 41 : openssh (2025-18cb3f852d)

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-18cb3f852d advisory. Fix regression of Match directive processing Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Ness...

Photon OS 3.0: Openssh PHSA-2025-3.0-0817

An update of the openssh package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2025-3.0-0817. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

OpenSSH < 9.9p2 DoS

The version of OpenSSH installed on the remote host is prior to 9.9p2. It is, therefore, affected by a vulnerability as referenced in the release-9.9p2 advisory. sshd8 in OpenSSH versions 9.5p1 to 9.9p1 inclusive is vulnerable to a memory/CPU denial-of-service related to the handling of SSH2MSGPI...

Slackware: Security Advisory (SSA:2025-049-01)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...