EulerOS 2.0 SP11 : openssh (EulerOS-SA-2025-1368)

According to the versions of the openssh packages installed, the EulerOS 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 by a malicious...

CLSA-2025-1742926277 openssh: Fix of CVE-2025-26465

CVE-2025-26465: fix vulnerability in OpenSSH when the VerifyHostKeyDNS option is enabled - enlarge format buffer size for certificate serial number so the log message can record any 64-bit integer without truncation openssh bz3012 Orabug: 30448895...

ROS-20250307-13

A vulnerability in the VerifyHostKeyDNS component of the OpenSSH cryptographic protection tool is related to flaws in error handling during host key verification. in error handling during host key verification. Exploitation of the vulnerability could allow an attacker, acting remotely, to conduct...

Medium: openssh

Issue Overview: A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying...

Medium: openssh

Issue Overview: A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying...

MGASA-2025-0080 Updated openssh packages fix security vulnerability

Machine-in-the-middle attack vulnerability if verifyhostkeydns is enabled. CVE-2025-26465...

The vulnerability of the VerifyHostKeyDNS component in the OpenSSH cryptographic security tool allows a attacker to perform XSS attacks.

The vulnerability of the VerifyHostKeyDNS component in the OpenSSH cryptographic security tool is related to errors in error handling during host key verification. Exploiting this vulnerability allows a remote attacker to perform XSS attacks...

Fedora 40 : openssh (2025-62f6cb2785)

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-62f6cb2785 advisory. Fix missing error codes set and invalid error code checks in OpenSSH. It prevents memory exhaustion attack and a MITM attack when VerifyHostKeyDNS i...

SUSE-SU-2025:0605-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2025-26465: Fixed MitM attack against OpenSSH's VerifyHostKeyDNS-enabled client bsc1237040...

CVE-2025-26465

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

AZL-56891 CVE-2025-26465 affecting package openssh for versions less than 8.9p1-7

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

Detection of Error Condition Without Action

Overview Affected versions of this package are vulnerable to Detection of Error Condition Without Action due to the mishandling of error codes when the VerifyHostKeyDNS option is enabled. An attacker can impersonate a legitimate server and potentially exhaust the client's memory resources by...

CVE-2025-26465 Openssh: machine-in-the-middle attack if verifyhostkeydns is enabled

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

CVE-2025-26465 Openssh: machine-in-the-middle attack if verifyhostkeydns is enabled

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

CVE-2025-26465

The CVE-2025-26465 issue affects OpenSSH when VerifyHostKeyDNS is enabled. A remote attacker could perform a MITM impersonation by abusing error-code handling during host-key verification, with success contingent on exhausting the client’s memory resources. Affected context is OpenSSH implementat...

CVE-2025-26465 Openssh: machine-in-the-middle attack if verifyhostkeydns is enabled

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

CVE-2025-26465

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

USN-7270-2: OpenSSH vulnerability

USN-7270-1 fixed a vulnerability in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that the OpenSSH client incorrectly handled the non-default VerifyHostKeyDNS option. If that option were enabled, an...

USN-7270-2 openssh vulnerability

USN-7270-1 fixed a vulnerability in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that the OpenSSH client incorrectly handled the non-default VerifyHostKeyDNS option. If that option were enabled, an...

USN-7270-1 openssh vulnerabilities

It was discovered that the OpenSSH client incorrectly handled the non-default VerifyHostKeyDNS option. If that option were enabled, an attacker could possibly impersonate a server by completely bypassing the server identity check. CVE-2025-26465 It was discovered that OpenSSH incorrectly handled...