An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade libssh2 | Mar 25, 2019 | Mar 25, 2019 |
| Amazon Linux Ami 2 | — | Upgrade libssh2-debuginfoUpgrade libssh2-develUpgrade libssh2-docsUpgrade libssh2 | Apr 27, 2020 | Mar 25, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Mar 25, 2019 |
| Centos_linux | — | Upgrade libssh2-docsUpgrade libssh2-debuginfoUpgrade libssh2-develUpgrade libssh2 | Aug 28, 2019 | Mar 25, 2019 |
| Debian | — | Upgrade libssh2 | Mar 27, 2019 | Mar 25, 2019 |
| Freebsd | — | Upgrade linux-c6-libssh2Upgrade libssh2Upgrade linux-c7-libssh2 | Apr 19, 2019 | Apr 18, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libssh2 | May 1, 2019 | Mar 25, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libssh2 | May 1, 2019 | Mar 25, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libssh2 | May 1, 2019 | Mar 25, 2019 |
| Oracle Solaris | — | Upgrade library/libssh2 to version 1.8.2-11.4.11.0.1.1.0 on Solaris 11.4 | Jul 17, 2019 | Mar 25, 2019 |
| Oracle_linux | — | Upgrade libssh2-docsUpgrade libssh2-develUpgrade libssh2 | Jul 21, 2020 | Mar 13, 2019 |
| Redhat_linux | — | Upgrade libssh2-docsUpgrade libssh2No solution existsUpgrade libssh2-develUpgrade libssh2-debuginfo | Aug 7, 2019 | Mar 25, 2019 |
| Suse | — | Upgrade libssh2-develUpgrade libssh2-1-x86Upgrade libssh2-1Upgrade libssh2-1-32bit | Mar 20, 2019 | Mar 19, 2019 |
| Ubuntu | — | Upgrade libssh2-1 (Ubuntu Pro) | Mar 22, 2023 | Mar 25, 2019 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Mar 25, 2019 |
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