CLSA-2026-1774528630 openssh: Fix of 3 CVEs

CVE-2018-20685: fix a vulnerability scp client where a malicious server could bypass intended access restrictions and modify target directory permissions via crafted filenames - CVE-2019-6109: fix scp client where a malicious server could manipulate the client's progress display output due to...

Exploit for Race Condition in Openbsd Openssh

CVE-2018-15473 — SSH Username Enumeration Tool A Python 3 r...

Moderate Photon OS Security Update - PHSA-2026-4.0-0985

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

CLSA-2026-1774369958 openssh: Fix of CVE-2026-3497

CVE-2026-3497: replace incorrect use of sshpktdisconnect with sshpacketdisconnect and properly initialize variables...

openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables

A flaw was found in the OpenSSH GSSAPI Generic Security Service Application Program Interface delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the...

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...

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...

Fedora: Security Advisory (FEDORA-2026-39819a3d62)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 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-9.9p1-5.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the openssh-9.9p1-5.el9 build changelog. - Fix information disclosure or denial of service due to uninitialized variables in gssapi-keyex CVE-2026-3497 Note that Nessus has not tested for...

Fedora 44 : openssh (2026-62fb46caac)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-62fb46caac advisory. - CVE-2026-3497: Fix information disclosure or denial of service due to uninitialized variables in gssapi- keyex Tenable has extracted the preceding...

Fedora 42 : openssh (2026-39819a3d62)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-39819a3d62 advisory. - CVE-2026-3497: Fix information disclosure or denial of service due to uninitialized variables in gssapi- keyex Tenable has extracted the preceding...

[SECURITY] Fedora 43 Update: openssh-10.0p1-7.fc43

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...

Fedora: Security Advisory (FEDORA-2026-bab4aa5da7)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 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...

Mageia: Security Advisory (MGASA-2026-0059)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 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...

MGASA-2026-0059 Updated openssh packages fix security vulnerabilities

ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. CVE-2025-61984...

Updated openssh packages fix security vulnerabilities

ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. CVE-2025-61984...

Fedora 43 : openssh (2026-bab4aa5da7)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-bab4aa5da7 advisory. - CVE-2026-3497: Fix information disclosure or denial of service due to uninitialized variables in gssapi- keyex Tenable has extracted the preceding...

Huawei EulerOS: Security Advisory for openssh (EulerOS-SA-2026-1586)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 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-2026-1614)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 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 Virtualization 2.12.1 : openssh (EulerOS-SA-2026-1449)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand i...