UBUNTU-CVE-2026-59845

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

Unity Linux 20.1070a Security Update: openssh (UTSA-2026-006246)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006246 advisory. ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used. Tenable has extracted the...

EulerOS 2.0 SP11 : openssh (EulerOS-SA-2026-1614)

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...

EulerOS 2.0 SP11 : openssh (EulerOS-SA-2026-1586)

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...

USN-8090-2: OpenSSH vulnerabilities

USN-8090-1 fixed vulnerabilities in OpenSSH. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the...

USN-8090-1: OpenSSH vulnerabilities

Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the GSSAPIKeyExchange setting is enabled, a remote attacker could use this issue to cause OpenSSH to crash, resulting in a denial of service, or possibly...

Improper Neutralization of Null Byte or NUL Character

Overview Affected versions of this package are vulnerable to Improper Neutralization of Null Byte or NUL Character via the handling of URIs in ssh://. An attacker can inject shell expressions into command-line constructor by supplying URIs containing \0 characters. This is only exploitable if URI...

PT-2021-5495 · Saltstack +3 · Saltstack Salt +3

Name of the Vulnerable Software and Affected Versions: SaltStack Salt versions prior to 3002.5 Description: The issue is related to errors in processing input data in the ssh client of the salt-api in SaltStack Salt. This can allow a remote attacker to execute arbitrary commands with elevated...