openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand

A flaw was found in OpenSSH where control characters in usernames were not properly validated when sourced from untrusted inputs like the command line or configuration expansion. If a ProxyCommand is used, these control characters could modify command behavior, potentially leading to code executi...

Moderate: Red Hat Security Advisory: openssh security update

An update for openssh is now available for Red Hat Enterprise Linux 10. 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 t...

openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand

A flaw was found in OpenSSH where the SSH client accepted \0 null characters in ssh:// URIs. When a ProxyCommand is configured, these characters could alter how the command is parsed, potentially leading to code execution depending on how the proxy is set up...

Security Bulletin:Vulnerability in OpenSSH affects IBM Netezza Appliance

Summary The OpenSSH package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2025-26465 Vulnerability Details CVEID:CVE-2025-26465 DESCRIPTION: A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle...

ALSA-2025:23479 Moderate: openssh security update

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 Fixes: openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand...

RHEL 9 : openssh (RHSA-2025:23480)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23480 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files...

RHEL 10 : openssh (RHSA-2025:23479)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23479 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files...

Moderate: openssh security update

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 Fixes: openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand...

Moderate: openssh security update

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 Fixes: openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand...

ROS-20251216-7315

A vulnerability in the ssh component of the OpenSSH cryptographic protection tool is related to incorrect processing of special elements. Exploitation of the vulnerability could allow an attacker to execute arbitrary code...

Security Bulletin: Vulnerability in openssh and libssh libraries (CVE-2023-28709) affects Power HMC

Summary The openssh and libssh libraries are used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2023-48795 DESCRIPTION: OpenSSH is vulnerable to a machine-in-the-middle attack, caused by a flaw in the extension negotiation process ...

CentOS 9 : openssh-9.9p1-3.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the openssh-9.9p1-3.el9 build changelog. - Reject URL-strings with NULL characters CVE-2025-61985 - Reject usernames with control characters CVE-2025-61984 Note that Nessus has not...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.10.1.12)

The version of AOS installed on the remote host is prior to 6.10.1.12. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-6.10.1.12 advisory. - A heap-buffer-overflow off-by-one flaw was found in the GnuTLS software in the template parsing logic within the certto...

SUSE: Security Advisory (SUSE-SU-2025:21161-1)

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...

Huawei EulerOS: Security Advisory for openssh (EulerOS-SA-2025-2505)

The remote host is missing an update for the Huawei EulerOS 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...

EulerOS 2.0 SP13 : openssh (EulerOS-SA-2025-2505)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to...

Huawei EulerOS: Security Advisory for openssh (EulerOS-SA-2025-2526)

The remote host is missing an update for the Huawei EulerOS 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...

EulerOS 2.0 SP13 : openssh (EulerOS-SA-2025-2526)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to...

openSUSE 16 Security Update : openssh (openSUSE-SU-2025-20122-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2025-20122-1 advisory. - CVE-2025-61984: code execution via control characters in usernames when a ProxyCommand is used bsc1251198. - CVE-2025-61985: code execution vi...

Security update for openssh (moderate)

openSUSE security update: security update for openssh ------------------------------------------------------------- Announcement ID: openSUSE-SU-2025-20122-1 Rating: moderate References: bsc1251198 bsc1251199 Cross-References: CVE-2025-61984 CVE-2025-61985 CVSS scores: CVE-2025-61984 SUSE : 5.3...