Advisory ROSA-SA-2025-2714

Software: openssh 8.0p1 OS: ROSA Virtualization 3.0 packageevrstring: openssh-8.0p1-19.0.1 CVE-ID: CVE-2023-38408 BDU-ID: 2023-03950 CVE-Crit: CRITICAL. CVE-DESC.: A vulnerability in the PKCS11 function of the PKCS11 component of the ssh-agent component of the OpenSSH cryptographic security tool ...

[SECURITY] Fedora 40 Update: openssh-9.6p1-2.fc40

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...

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 errors in error handling during host key verification. Exploiting this vulnerability allows a remote attacker to perform XSS attacks...

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...

Fedora 40 : openssh (2025-62f6cb2785)

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-62f6cb2785 advisory. Fix missing error codes set and invalid error code checks in OpenSSH. It prevents memory exhaustion attack and a MITM attack when VerifyHostKeyDNS i...

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...

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...

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...

FreeBSD : FreeBSD -- Multiple vulnerabilities in OpenSSH (a8f1ee74-f267-11ef-87ba-002590c1f29c)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the a8f1ee74-f267-11ef-87ba-002590c1f29c advisory. OpenSSH client host verification error CVE-2025-26465 ssh1 contains a logic error that allows ...

Siemens SIMATIC and SCALANCE Devices Missing Critical Step in Authentication (CVE-2023-51384)

In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS11-hosted private keys, these constraints are only applied to the first key, even if a PKCS11 token returns multiple keys. This plugin...

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...

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

...

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 -- 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...

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-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:...

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...