AlmaLinux 8 : openssh (ALSA-2026:69266)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:69266 advisory. openssh: OpenSSH: sftp client allows attacker to control downloaded file location CVE-2026-59995 openssh: OpenSSH sshd: Security bypass due to incorrect...

Important: openssh security, bug fix, and enhancement 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: sftp client allows attacker to control downloaded file location...

CVE-2017-3730

CVE-2017-3730 OpenSSL CVE-2017-3730 概念実証 OpenSSH をプロキシとして使用し、DH 値をその場でパッチする DHE-PSK-WITH-AES-256-GCM-SHA384 のような暗号スイートを使用して SSL サーバーを作成します。ここでは 10.0.2.2 のポート 8899 で実行するとします。 openssh-7.4p1 を取得します パッチを適用します ビルドします 次のように実行します: root@kitploit: ./ssh -vvv -N -D 1085 -o TCPKeepAlive=yes -o...

OESA-2026-3926 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.CVE-2026-73282 In sshd in OpenSSH before 10.5, the restrict keyword in authorizedkeys...

EulerOS Virtualization 2.11.1 : openssh (EulerOS-SA-2026-3447)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed ...

EulerOS Virtualization 2.11.0 : openssh (EulerOS-SA-2026-3534)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed ...

essh v0.4.0

ESSH An SSH workspace with persistent sessions and live health dashboards. Keep remote shells running across connection drops, switch between hosts with keys or the mouse, and check system health without leaving your terminal. ESSH uses OpenSSH for connections and tmux to keep your work alive. Se...

USN-8514-2: OpenSSH vulnerability

USN-8514-1 fixed a vulnerability in OpenSSH. This update provides the corresponding fix for Ubuntu 14.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that OpenSSH incorrectly handled file permissions when downloading files as root using the legacy scp...

USN-8514-2 openssh vulnerability

USN-8514-1 fixed a vulnerability in OpenSSH. This update provides the corresponding fix for Ubuntu 14.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that OpenSSH incorrectly handled file permissions when downloading files as root using the legacy scp...

OESA-2026-3749 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.CVE-2026-73282 In sshd in OpenSSH before 10.5, the restrict keyword in authorizedkeys...

OESA-2026-3748 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.CVE-2026-73282 In sshd in OpenSSH before 10.5, the restrict keyword in authorizedkeys...

OESA-2026-3746 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.CVE-2026-73282 In sshd in OpenSSH before 10.5, the restrict keyword in authorizedkeys...

OESA-2026-3747 openssh security update

An open source implementation of SSH protocol version 2 Security Fixes: In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to occur only locally, including operations that add tokens or use keys. This is caused by misinteraction between agent locking and the...

K000163318: OpenSSH vulnerability CVE-2026-35414

Security Advisory Description OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters. CVE-2026-35414 Impact There is no impact; F5 products are not...

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...

Astra Linux – Vulnerability in OpenSSH

In OpenSSH versions prior to 10.1, control characters in user names that originated from certain potentially untrusted sources could lead to code execution when ProxyCommand was used. The potentially untrusted sources include the command line and the %-sequence expansion from a configuration file...

Astra Linux – Vulnerability in OpenSSH

OpenSSH versions prior to 10.3 mishandle the authorizedkeys principals option in unusual scenarios where a principals list is used in conjunction with a Certificate Authority that utilizes comma characters...

Astra Linux – Vulnerability in OpenSSH

OpenSSH versions prior to 10.3 omitted the confirmation of connection multiplexing for proxy-mode multiplexing sessions...

Astra Linux – Vulnerability in OpenSSH

The PKCS11 feature in ssh-agent in OpenSSH prior to version 9.3p2 has an insufficiently trustworthy search path, which can lead to remote code execution if the agent is forwarded to a system controlled by an attacker. The code located in /usr/lib is not necessarily safe for loading into ssh-agent...

Astra Linux – Vulnerabilities in paramiko, libssh, libssh2, erlang, openssh

The SSH transport protocol, with certain OpenSSH extensions, found in OpenSSH versions prior to 9.6 and other products, allows remote attackers to bypass integrity checks. As a result, some packets may be omitted from the extension negotiation message. Consequently, the client and server may end ...