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Qualys TRU Discovers Two New Vulnerabilities in OpenSSH (CVE-2025-26465 & CVE-2025-26466)

The Qualys Threat Research Unit (TRU) has discovered two vulnerabilities in OpenSSH. The first, identified as CVE-2025-26465, enables an active machine-in-the-middle attack on the OpenSSH client when the VerifyHostKeyDNS option is turned on. The second, CVE-2025-26466, impacts both the OpenSSH client and server, allowing a pre-authentication denial-of-service attack.

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Security VulnerabilitiesNews

FreeBSD – High-Severity OpenSSH Vulnerability [CVE-2024-7589]

CVE number = CVE-2024-7589 CVSS Score = 7.4 A signal handler in sshd(8) may call a logging function that is

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Security VulnerabilitiesNews

Remote Unauthenticated Code Execution – Critical vulnerability in OpenSSH that affects almost all Linux systems [CVE-2024-6387]

CVE number = CVE-2024-6387 The Qualys Threat Research Unit (TRU) has identified a Remote Unauthenticated Code Execution (RCE) vulnerability in

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Security VulnerabilitiesNews

OpenSSH Arbitrary stderr Output Man-in-the-Middle Vulnerability [CVE-2019-6110]

CVE Number – CVE-2019-6110 A vulnerability in the Secure Copy Protocol (SCP) client utility of OpenSSH could allow an unauthenticated,

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Security VulnerabilitiesNews

OpenSSH Progress Display Missing Character Encoding Spoofing Vulnerability [CVE-2019-6109]

CVE Number – CVE-2019-6109 A vulnerability in the Secure Copy Protocol (SCP) client utility of OpenSSH could allow an unauthenticated,

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Security VulnerabilitiesNews

OpenSSH SCP Implementation Man-in-the-Middle Vulnerability [CVE-2019-6111]

CVE Number – CVE-2019-6111 A vulnerability in the Secure Copy Protocol (SCP) client utility of OpenSSH could allow an unauthenticated,

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