Low · published July 21, 2026
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 | Versions | Fixed in |
|---|---|---|
| libssh/libssh | ≥ 0.11.0, < 0.11.5 | 0.11.5 |
| libssh/libssh | all versions | — |
| redhat/hardened_images | all versions | — |
| redhat/enterprise_linux | all versions | — |
| redhat/enterprise_linux | all versions | — |
| redhat/enterprise_linux | all versions | — |
| redhat/enterprise_linux | all versions | — |
| redhat/enterprise_linux | all versions | — |
| redhat/enterprise_linux_for_els | all versions | — |
| redhat/enterprise_linux_for_els | all versions | — |
| redhat/enterprise_linux_for_eus | all versions | — |
| redhat/enterprise_linux_for_eus | all versions | — |
| redhat/enterprise_linux_for_ibm_z_systems | all versions | — |
| redhat/enterprise_linux_for_ibm_z_systems | all versions | — |
| redhat/enterprise_linux_for_ibm_z_systems_els | all versions | — |
| redhat/enterprise_linux_for_ibm_z_systems_eus | all versions | — |
| redhat/enterprise_linux_for_power_little_endian | all versions | — |
| redhat/enterprise_linux_for_power_little_endian | all versions | — |
| redhat/enterprise_linux_for_power_little_endian_els | all versions | — |
| redhat/enterprise_linux_for_power_little_endian_eus | all versions | — |