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sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource consumption from excessive authentication attempts) because MaxAuthTries was mishandled for GSSAPIAuthentication.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade pam_ssh_agent_authUpgrade opensshUpgrade openssh-keycatUpgrade openssh-cavsUpgrade openssh-ldapUpgrade openssh-askpassUpgrade openssh-clientsUpgrade openssh-server | Oct 21, 2026 | Oct 20, 2026 |
| Alpine Linux | — | Upgrade openssh | Sep 1, 2026 | Jul 8, 2026 |
| Ibm Aix | — | Apply the fix or workaround for aix_vios_advisory | Aug 16, 2026 | Aug 14, 2026 |
| Openbsd Openssh | — | Upgrade to OpenSSH version 10.4 | Aug 18, 2026 | Jul 8, 2026 |
| Oracle_linux | — | Upgrade pam_ssh_agent_authUpgrade openssh-clientsUpgrade openssh-ldapUpgrade openssh-keycatUpgrade openssh-cavsUpgrade opensshUpgrade openssh-serverUpgrade openssh-keysignUpgrade openssh-askpass | Oct 22, 2026 | Jul 8, 2026 |
| Redhat_linux | — | Upgrade openssh-keycat-debuginfoUpgrade openssh-cavs-debuginfoUpgrade openssh-debuginfoUpgrade opensshUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-keycatUpgrade openssh-keysignUpgrade openssh-serverUpgrade openssh-server-debuginfoUpgrade openssh-cavsUpgrade openssh-askpassUpgrade openssh-ldapUpgrade openssh-debugsourceUpgrade openssh-clients-debuginfoUpgrade openssh-ldap-debuginfoNo solution existsUpgrade openssh-clientsUpgrade openssh-sk-dummy-debuginfoUpgrade openssh-keysign-debuginfoUpgrade openssh-askpass-debuginfoUpgrade pam_ssh_agent_auth | Jul 17, 2026 | Jul 8, 2026 |
| Rocky_linux | — | Upgrade openssh-clientsUpgrade openssh-server-debuginfoUpgrade openssh-clients-debuginfoUpgrade pam_ssh_agent_authUpgrade openssh-serverUpgrade openssh-keysign-debuginfoUpgrade openssh-cavsUpgrade openssh-keycatUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-debuginfoUpgrade opensshUpgrade openssh-keysignUpgrade openssh-keycat-debuginfoUpgrade openssh-ldapUpgrade openssh-askpass-debuginfoUpgrade openssh-cavs-debuginfoUpgrade openssh-askpassUpgrade openssh-debugsourceUpgrade openssh-ldap-debuginfo | Oct 23, 2026 | Oct 22, 2026 |
| Ubuntu | — | Upgrade openssh-server (Ubuntu Pro)Upgrade openssh-client (Ubuntu Pro)Upgrade openssh-serverUpgrade openssh-client | Jul 13, 2026 | Jul 8, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 22, 2026 | Jul 8, 2026 |
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