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OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade openssh-clientsUpgrade openssh-ldapUpgrade openssh-keycatUpgrade openssh-cavsUpgrade openssh-serverUpgrade pam_ssh_agent_authUpgrade opensshUpgrade openssh-askpassUpgrade openssh-keysign | May 5, 2026 | May 4, 2026 |
| Amazon_linux_2023 | — | Upgrade pam_ssh_agent_authUpgrade openssh-debugsourceUpgrade openssh-keycatUpgrade openssh-clients-debuginfoUpgrade openssh-keycat-debuginfoUpgrade openssh-debuginfoUpgrade opensshUpgrade openssh-serverUpgrade openssh-server-debuginfoUpgrade openssh-clientsUpgrade pam_ssh_agent_auth-debuginfo | May 28, 2026 | Apr 2, 2026 |
| Aruba Aos Cx | — | Upgrade Aruba AOS-CX to a fixed version | Aug 21, 2026 | Jul 21, 2026 |
| Debian | — | Upgrade openssh | May 17, 2026 | May 17, 2026 |
| Ibm Aix | — | Apply the fix or workaround for openssh_advisory21 | May 31, 2026 | May 28, 2026 |
| Nutanix Ahv | — | Upgrade Nutanix AHV to the latest version | Jul 2, 2026 | Jul 1, 2026 |
| Openbsd Openssh | — | Upgrade to OpenSSH version 10.3 | Apr 28, 2026 | Apr 2, 2026 |
| Oracle_linux | — | Upgrade openssh-clientsUpgrade openssh-keysignUpgrade openssh-cavsUpgrade openssh-ldapUpgrade opensshUpgrade openssh-keycatUpgrade openssh-askpassUpgrade openssh-serverUpgrade pam_ssh_agent_auth | May 6, 2026 | Apr 2, 2026 |
| Redhat_linux | — | Upgrade openssh-keycatUpgrade openssh-clients-debuginfoUpgrade pam_ssh_agent_authUpgrade openssh-askpassUpgrade openssh-sk-dummy-debuginfoUpgrade openssh-keysignUpgrade openssh-keycat-debuginfoNo solution existsUpgrade openssh-clientsUpgrade openssh-ldap-debuginfoUpgrade openssh-server-debuginfoUpgrade opensshUpgrade openssh-keysign-debuginfoUpgrade openssh-debuginfoUpgrade openssh-cavsUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-askpass-debuginfoUpgrade openssh-ldapUpgrade openssh-cavs-debuginfoUpgrade openssh-debugsourceUpgrade openssh-server | May 4, 2026 | Apr 2, 2026 |
| Rocky_linux | — | Upgrade openssh-ldapUpgrade openssh-keysignUpgrade openssh-server-debuginfoUpgrade openssh-keycat-debuginfoUpgrade opensshUpgrade openssh-clients-debuginfoUpgrade openssh-clientsUpgrade pam_ssh_agent_authUpgrade openssh-ldap-debuginfoUpgrade openssh-keycatUpgrade openssh-askpass-debuginfoUpgrade openssh-keysign-debuginfoUpgrade openssh-askpassUpgrade openssh-cavsUpgrade openssh-debuginfoUpgrade openssh-cavs-debuginfoUpgrade openssh-serverUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-debugsource | May 11, 2026 | May 6, 2026 |
| Ubuntu | — | Upgrade openssh-client (Ubuntu Pro)Upgrade openssh-server (Ubuntu Pro)Upgrade openssh-serverUpgrade openssh-client | Apr 29, 2026 | Apr 2, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Apr 2, 2026 |
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