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.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade openssh-askpassUpgrade pam_ssh_agent_authUpgrade opensshUpgrade openssh-cavsUpgrade openssh-serverUpgrade openssh-keycatUpgrade openssh-clientsUpgrade openssh-ldap | May 5, 2026 | May 4, 2026 |
| Amazon_linux_2023 | — | Upgrade openssh-clientsUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-serverUpgrade openssh-debuginfoUpgrade openssh-server-debuginfoUpgrade opensshUpgrade openssh-debugsourceUpgrade pam_ssh_agent_authUpgrade openssh-clients-debuginfoUpgrade openssh-keycatUpgrade openssh-keycat-debuginfo | May 28, 2026 | Apr 2, 2026 |
| Aruba Aos Cx | — | To address the vulnerabilities described above in the affected software branches, it is recommended to upgrade HPE Networking AOS-CX to one of the following versions (as applicable):
- AOS-CX 10.18.xxxx: AOS-CX 10.18.0001 and above
- AOS-CX 10.17.xxxx: AOS-CX 10.17.1021 and above
- AOS-CX 10.16.xxxx: AOS-CX 10.16.1051 and above
- AOS-CX 10.13.xxxx: AOS-CX 10.13.1180 and above
Software versions with resolution/fixes for the vulnerabilities
covered above can be downloaded from the HPE Networking
Support Portal at https://networkingsupport.hpe.com/home/
HPE Aruba Networking does not evaluate or patch software branches
that have reached their End of Maintenance (EoM) milestone.
For more information about HPE Aruba Networking End of Life policy
please visit:
https://www.hpe.com/psnow/doc/a00143052enw
| 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-serverUpgrade pam_ssh_agent_authUpgrade openssh-cavsUpgrade opensshUpgrade openssh-clientsUpgrade openssh-keycatUpgrade openssh-askpassUpgrade openssh-ldapUpgrade openssh-keysign | May 6, 2026 | Apr 2, 2026 |
| Redhat_linux | — | Upgrade openssh-ldapUpgrade openssh-serverUpgrade openssh-cavs-debuginfoUpgrade openssh-cavsUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-askpass-debuginfoUpgrade openssh-debugsourceUpgrade openssh-debuginfoNo solution existsUpgrade openssh-ldap-debuginfoUpgrade opensshUpgrade openssh-askpassUpgrade openssh-server-debuginfoUpgrade openssh-clientsUpgrade openssh-keysignUpgrade openssh-keycat-debuginfoUpgrade pam_ssh_agent_authUpgrade openssh-keysign-debuginfoUpgrade openssh-keycatUpgrade openssh-sk-dummy-debuginfoUpgrade openssh-clients-debuginfo | May 4, 2026 | Apr 2, 2026 |
| Rocky_linux | — | Upgrade openssh-cavs-debuginfoUpgrade openssh-debuginfoUpgrade openssh-cavsUpgrade openssh-serverUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-askpassUpgrade openssh-askpass-debuginfoUpgrade openssh-keysign-debuginfoUpgrade openssh-debugsourceUpgrade openssh-keycatUpgrade openssh-clientsUpgrade opensshUpgrade openssh-keycat-debuginfoUpgrade openssh-server-debuginfoUpgrade openssh-clients-debuginfoUpgrade openssh-ldap-debuginfoUpgrade openssh-ldapUpgrade openssh-keysignUpgrade pam_ssh_agent_auth | May 11, 2026 | May 6, 2026 |
| Ubuntu | — | Upgrade openssh-clientUpgrade openssh-server | 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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