Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : OpenSSH vulnerabilities (USN-7270-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7270-1 advisory. It was discovered that the OpenSSH client incorrectly handled the non-default VerifyHostKeyDNS option. If that option wer...

Debian: Security Advisory (DLA-4057-1)

The remote host is missing an update for the Debian 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...

CVE-2025-26465

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

OPENSUSE-SU-2025:14820-1 openssh-9.9p2-1.1 on GA media

These are all security issues fixed in the openssh-9.9p2-1.1 package on the GA media of openSUSE Tumbleweed...

UBUNTU-CVE-2025-26465

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

OpenBSD OpenSSH 9.5p1 - 9.9p1 DoS Vulnerability

OpenBSD OpenSSH is prone to a denial of service DoS vulnerability. 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 CPE =...

Debian dsa-5868 : openssh-client - security update

The remote Debian 12 host has packages installed that are affected by a vulnerability as referenced in the dsa-5868 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-5868-1 [email protected] https://www.debian.org/security/...

Moderate Photon OS Security Update - PHSA-2025-4.0-0757

Updates of 'openssh' packages of Photon OS have been released...

UBUNTU-CVE-2025-26466

A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has finished. A malicious client may keep sending such packages, leading to ...

Slackware Linux 15.0 / current openssh Multiple Vulnerabilities (SSA:2025-049-01)

The version of openssh installed on the remote host is prior to 9.9p2. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2025-049-01 advisory. New openssh packages are available for Slackware 15.0 and -current to fix security issues. Tenable has extracted the precedi...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the sshpacketreadpollseqnr function in packet.c. Ping packets SSH2MSGPING received without authentication buffer but neither send nor free PONG responses, which can consume unlimit...

PT-2025-7168

Name of the Vulnerable Software and Affected Versions OpenSSH versions 6.8p1 through 9.9p1 Description A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled, allowing a machine-in-the-middle attack to be performed by a malicious machine impersonating a legitimate server...

Cloud Software Group Security Advisory for CVE-2024-6387

Advisory for 3rd party CVE-2024-6387 Cloud Software Group is aware of the vulnerability CVE-2024-6387 impacting OpenSSH. Qualys has discovered a remote unauthenticated code execution vulnerability in OpenSSH’s server sshd in glibc-based Linux systems. Because this vulnerability is a regression of...

Astra Linux – Vulnerability in OpenSSH

A flaw was discovered in the OpenSSH package. For each ping packet received by the SSH server, a pong packet is allocated in a memory buffer and stored in a queue of packets. This memory buffer is only freed after the server/client key exchange is completed. A malicious client may continue to sen...

Astra Linux – Vulnerability in OpenSSH

A vulnerability was discovered in OpenSSH when the VerifyHostKeyDNS option is enabled. A man-in-the-middle attack can be carried out by a malicious machine pretending to be a legitimate server. This issue arises due to the way OpenSSH handles error codes under certain conditions during the...

Security Bulletin: IBM Sterling B2B Integrator is affected by security vulnerability in OpenSSH

Summary IBM Sterling B2B Integrator is affected by security vulnerability in OpenSSH Vulnerability Details CVEID:CVE-2023-48795 DESCRIPTION: The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity chec...

Security Bulletin: Vulnerability in OpenSSH affects IBM Integrated Analytics System [CVE-2023-48795]

Summary Redhat provided OpenSSH is used by IBM Integrated Analytics System. IBM Integrated Analytics System has addressed the applicable CVE CVE-2023-48795 Vulnerability Details CVEID:CVE-2023-48795 DESCRIPTION: The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9...

VulnCheck KEV: CVE-2023-48795

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message, and a client and server may consequently end up with a...

Security Bulletin: Vulnerabilities in Node.js, Golang Go, HTTP/2, NGINX, OpenSSH, Linux kernel might affect IBM Spectrum Protect Plus

Summary IBM Spectrum Protect Plus can be affected by vulnerabilities in Node.js, Golang Go, HTTP/2, NGINX, OpenSSH and Linux. Vulnerabilities include, causing a denial-of-service condition, the elevation of privileges, remote execution of arbitrary code, HTTP header injection, HTML injection,...

Security Bulletin: TSSC/IMC is vulnerable to a Prefix truncation attack on Binary Packet Protocol

Summary TSSC/IMC is vulnerable to a Prefix truncation attack on Binary Packet Protocold. A patch has been provided that updates the systemd library. CVE-2023-48795, CVE-2023-51385 Vulnerability Details CVEID:CVE-2023-48795 DESCRIPTION: The SSH transport protocol with certain OpenSSH extensions,...