Medium: openssh

Issue Overview: A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes...

openSUSE 16: openssh / openssh-askpass-gnome / openssh-cavs / openssh-clients / etc (openSUSE-SU-2026:21477-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21477-1 advisory. - CVE-2026-59995: sftp: location of downloaded files not properly constrained when sftp server:/path . is used with an attacker-controlled serve...

AlmaLinux 9 : openssh (ALSA-2026:47756)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:47756 advisory. openssh: Local MITM of X11 forwarding via abstract UNIX socket pre-binding in AlmaLinux OpenSSH client versions CVE-2026-55655 openssh: Double free in...

CVE-2026-54591 AsyncSSH: SCP Path Traversal to Arbitrary File Write

AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyncio framework. Prior to 2.23.1, a malicious SSH server can write arbitrary files on the asyncssh SCP client's filesystem by sending filenames containing ../...

UBUNTU-CVE-2026-59996

scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations...

Amazon Linux 2 : openssh, --advisory ALAS2-2026-3262 (ALAS-2026-3262)

The version of openssh installed on the remote host is prior to 7.4p1-22. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3262 advisory. In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectation...

USN-8222-1: OpenSSH vulnerabilities

Christos Papakonstantinou discovered that the OpenSSH scp tool incorrectly handled the legacy scp protocol -O option. This could result in certain files being installed setuid or setgid, contrary to expectations. CVE-2026-35385 Florian Kohnhäuser discovered that OpenSSH incorrectly handled shell...

K000160938: OpenSSH vulnerabilities CVE-2019-16905 and CVE-2020-12062

Security Advisory Description CVE-2019-16905 OpenSSH 7.7 through 7.9 and 8.x before 8.1, when compiled with an experimental key type, has a pre-authentication integer overflow if a client or server is configured to use a crafted XMSS key. This leads to memory corruption and local code execution...

CVE-2026-35385

In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O legacy scp protocol and without -p preserve mode...

MiracleLinux 8 : libssh-0.9.4-2.el8 (AXSA:2021-1281:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-1281:01 advisory. libssh: denial of service when handling AES-CTR or DES ciphers CVE-2020-1730 libssh: unsanitized location in scp could lead to unwanted command...

Siemens SIMATIC S7-1500 Improper Neutralization of Special Elements used in an OS Command (CVE-2020-15778)

scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of anomalous argument transfers because that could stand a great...

Linux Distros Unpatched Vulnerability : CVE-2020-12062

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call failure, which allows a malicious unprivileged user ...

CVE-2022-21788

In scp, there is a possible undefined behavior due to incorrect error handling. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06988728; Issue ID: ALPS06988728...

CVE-2025-20668

In scp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09625562; Issue ID: MSV-3027...

CVE-2025-20668

In scp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09625562; Issue ID: MSV-3027...

CVE-2025-20668

In scp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09625562; Issue ID: MSV-3027...

PT-2025-19332 · Openssh · Openssh Scp

Name of the Vulnerable Software and Affected Versions: OpenSSH scp affected versions not specified Description: In scp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System...

K98606833: BIG-IP and BIG-IQ scp vulnerability CVE-2024-21782

Security Advisory Description BIG-IP or BIG-IQ Resource Administrators and Certificate Managers who have access to the secure copy scp utility but do not have access to Advanced Shell bash can execute arbitrary commands with a specially crafted command string. This vulnerability is due to an...

F5 Networks BIG-IP : BIG-IP and BIG-IQ scp vulnerability (K98606833)

The version of F5 Networks BIG-IP installed on the remote host is prior to 15.1.9 / 16.1.4 / 17.1.1. It is, therefore, affected by a vulnerability as referenced in the K98606833 advisory. BIG-IP or BIG-IQ Resource Administrators and Certificate Managers who have access to the secure copy scp...

command injection in scp.c

The scp functionality in OpenSSH is vulnerable to command injection via backtick characters in the destination argument. The command will be run with the permissions of the user with which the files were copied on the remote server. To exploit this issue an attacker must manipulate a system...