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The verify_host_key function in sshconnect.c in the client in OpenSSH 6.6 and earlier allows remote servers to trigger the skipping of SSHFP DNS RR checking by presenting an unacceptable HostCertificate.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade openssh | Aug 30, 2017 | Mar 27, 2014 |
| Debian | — | Upgrade openssh | Jul 30, 2024 | Mar 27, 2014 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Sep 17, 2015 |
| Hpux | — | Update Secure_Shell.SECURE_SHELL to the latest versionUpdate Secure_Shell.SECSH-CMN to the latest version | Aug 11, 2017 | Mar 27, 2014 |
| Ibm Aix | — | Apply the fix or workaround for openssh_advisory4 | Nov 30, 2017 | Mar 27, 2014 |
| Openbsd Openssh | — | Upgrade to the latest version of OpenSSH | Mar 31, 2014 | Mar 27, 2014 |
| Oracle Solaris | — | Upgrade entire to version 0.5.11-0.175.3.0.0.30.0 on Solaris 11.3 | May 29, 2017 | Mar 27, 2014 |
| Oracle_linux | — | Upgrade openssh-ldapUpgrade openssh-serverUpgrade openssh-keycatUpgrade openssh-server-sysvinitUpgrade openssh-askpassUpgrade opensshUpgrade openssh-clientsUpgrade pam_ssh_agent_auth | Oct 16, 2024 | Mar 27, 2014 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 24, 2014 |
| Suse | — | Upgrade openssh-openssl1-helpersUpgrade opensshUpgrade openssh-fipsUpgrade openssh-openssl1Upgrade openssh-helpers | Dec 18, 2015 | Mar 27, 2014 |
| Ubuntu | — | Upgrade openssh-client | Nov 8, 2024 | Mar 27, 2014 |
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