ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only on the client side.)
CVSS Details
- CVSS 3.1 Base Score: 9.4
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade pam_ssh_agent_authUpgrade openssh-clientsUpgrade opensshUpgrade openssh-keycatUpgrade openssh-serverUpgrade openssh-askpass | Aug 2, 2026 | Jul 29, 2026 |
| Alpine Linux | — | Upgrade openssh | Sep 1, 2026 | Jul 8, 2026 |
| Amazon_linux_2023 | — | Upgrade openssh-clientsUpgrade opensshUpgrade openssh-debuginfoUpgrade openssh-clients-debuginfoUpgrade pam_ssh_agent_auth-debuginfoUpgrade pam_ssh_agent_authUpgrade openssh-debugsourceUpgrade openssh-keycatUpgrade openssh-sk-dummy-debuginfoUpgrade openssh-serverUpgrade openssh-server-debuginfoUpgrade openssh-sk-dummyUpgrade openssh-keycat-debuginfo | Aug 10, 2026 | Jul 8, 2026 |
| Arista Eos | — | Upgrade to a remediated EOS release. See https://www.arista.com/en/support/advisories-notices/security-advisory/24515-security-advisory-0147 for the list of fixed versions. | Aug 26, 2026 | Aug 25, 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 |
| Redhat Openshift | — | Upgrade rhcos | Aug 19, 2026 | Jul 8, 2026 |
| Redhat_linux | — | Upgrade openssh-keycatUpgrade openssh-clientsUpgrade pam_ssh_agent_authUpgrade openssh-keysignUpgrade openssh-keycat-debuginfoUpgrade openssh-clients-debuginfoUpgrade pam_ssh_agent_auth-debuginfoUpgrade openssh-keysign-debuginfoUpgrade openssh-server-debuginfoUpgrade openssh-serverUpgrade openssh-debuginfoUpgrade openssh-askpassUpgrade openssh-askpass-debuginfoUpgrade opensshUpgrade openssh-sk-dummy-debuginfoUpgrade openssh-debugsource | Jul 17, 2026 | Jul 8, 2026 |
| Rocky_linux | — | Upgrade openssh-keycat-debuginfoUpgrade pam_ssh_agent_authUpgrade openssh-clients-debuginfoUpgrade openssh-server-debuginfoUpgrade openssh-serverUpgrade opensshUpgrade openssh-askpassUpgrade openssh-askpass-debuginfoUpgrade openssh-debuginfoUpgrade openssh-keycatUpgrade openssh-clientsUpgrade openssh-debugsourceUpgrade pam_ssh_agent_auth-debuginfo | Aug 3, 2026 | Jul 30, 2026 |
| Ubuntu | — | Upgrade openssh-clientUpgrade openssh-server | 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 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub