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When doing SSH-based transfers using either SCP or SFTP, and setting the known_hosts file, libcurl could still mistakenly accept connecting to hosts *not present* in the specified file if they were added as recognized in the libssh *global* known_hosts file.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade curl | Jun 18, 2026 | Jan 8, 2026 |
| Amazon Linux Ami 2 | — | Upgrade curl-debuginfoUpgrade libcurlUpgrade curlUpgrade libcurl-devel | May 20, 2026 | May 20, 2026 |
| Freebsd | — | Upgrade curl | Mar 12, 2026 | Mar 11, 2026 |
| Huawei Euleros 2_0_sp10 | — | Upgrade curlUpgrade libcurl | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade libcurlUpgrade curl | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade libcurlUpgrade curl | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Jan 7, 2026 |
| Ubuntu | — | Upgrade libcurl4Upgrade libcurl4-nss-devUpgrade curlUpgrade libcurl4-gnutls-devUpgrade libcurl4t64Upgrade libcurl3-nssUpgrade libcurl3-gnutlsUpgrade libcurl4-openssl-devUpgrade libcurl3t64-gnutls | Feb 26, 2026 | Feb 25, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Jan 8, 2026 |
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