OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions

A flaw was found in OpenSSH. This vulnerability allows for a low integrity impact due to the omission of connection multiplexing confirmation for proxy-mode multiplexing sessions. A local user, under specific and complex conditions requiring user interaction, could potentially establish a...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: openssh (UTSA-2026-016492)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016492 advisory. OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted ...

Oracle Linux 9 : openssh (ELSA-2026-6462)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-6462 advisory. 8.7p1-48.0.1 - Upstream references found with /usr/bin/ssh Orabug: 37814929 - upstream: fix AuthorizedPrincipalsCommand when AuthorizedKeysCommand Orabug:...

NewStart CGSL MAIN 6.06 (SP) : openssh Multiple Vulnerabilities (NS-SA-2026-0001)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has openssh packages installed that are affected by multiple vulnerabilities: - In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an...

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...

MiracleLinux 7 : openssh-6.6.1p1-23.el7 (AXSA:2016-037:01)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2016-037:01 advisory. 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...

MiracleLinux 7 : openssh-7.4p1-23.0.3.0.1.el7.AXS7 (AXSA:2025-9844:01)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2025-9844:01 advisory. CVE-2025-26465: fix vulnerability in OpenSSH when the VerifyHostKeyDNS option is enabled CVEs: CVE-2025-26465 A vulnerability was found in OpenSSH when the...

RHEL 8 : openssh (RHSA-2025:23481)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23481 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files...

Linux Distros Unpatched Vulnerability : CVE-2025-61984

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution...

Linux Distros Unpatched Vulnerability : CVE-2023-25136

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenSSH server sshd 9.1 introduced a double-free vulnerability during options.kexalgorithms handling. This is fixed in OpenSSH 9.2. The double free can be...

SUSE CVE-2011-5000

The sshgssapiparseename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service memory consumption via a large value in a certain length field. NOTE: there may be limited scenarios in which...

UBUNTU-CVE-2016-8858

The kexinputkexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service memory consumption by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider this as a security issue."...

UBUNTU-CVE-2016-6210

sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provid...

audit logging of failed logins

Unspecified vulnerability in the linuxauditrecordevent function in OpenSSH 4.3p2, as used on Fedora Core 6 and possibly other systems, allows remote attackers to write arbitrary characters to an audit log via a crafted username. NOTE: some of these details are obtained from third party informatio...

Arbitrary Code Execution

Overview Affected versions of this package are vulnerable to Arbitrary Code Execution. Integer overflow in sshd in OpenSSH 2.9.9 through 3.3 allows remote attackers to execute arbitrary code during challenge response authentication ChallengeResponseAuthentication when OpenSSH is using SKEY or...