A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade libssh | Jul 29, 2026 | Jul 21, 2026 |
| Debian | — | Upgrade libssh | Aug 3, 2026 | Aug 3, 2026 |
| Redhat_linux | — | Upgrade libsshUpgrade libssh-develUpgrade libssh-debuginfoUpgrade libssh-configUpgrade libssh-debugsource | Aug 19, 2026 | Jul 21, 2026 |
| Rocky_linux | — | Upgrade libssh-debugsourceUpgrade libsshUpgrade libssh-debuginfoUpgrade libssh-devel | Aug 20, 2026 | Aug 18, 2026 |
| Ubuntu | — | Upgrade libssh-4 | Aug 31, 2026 | Aug 31, 2026 |
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