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.
CVSS Details
- CVSS 3.1 Base Score: 9.1
- CVSS 3.0 Base Score: 5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-libssh2 | Mar 25, 2019 | Mar 25, 2019 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-libssh2amazon-linux-ami-2-upgrade-libssh2-debuginfoamazon-linux-ami-2-upgrade-libssh2-develamazon-linux-ami-2-upgrade-libssh2-docs | Apr 27, 2020 | Mar 25, 2019 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Mar 25, 2019 | |
| Centos_linux | — | centos-upgrade-libssh2centos-upgrade-libssh2-debuginfocentos-upgrade-libssh2-develcentos-upgrade-libssh2-docs | Aug 28, 2019 | Mar 25, 2019 |
| Debian | debian-upgrade-libssh2 | Mar 27, 2019 | Mar 25, 2019 | |
| Freebsd | freebsd-upgrade-package-libssh2freebsd-upgrade-package-linux-c6-libssh2freebsd-upgrade-package-linux-c7-libssh2 | Apr 19, 2019 | Apr 18, 2019 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-libssh2 | May 1, 2019 | Mar 25, 2019 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-libssh2 | May 1, 2019 | Mar 25, 2019 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-libssh2 | May 1, 2019 | Mar 25, 2019 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-library-libssh2-1-8-2-11-4-11-0-1-1-0 | Jul 17, 2019 | Mar 25, 2019 | |
| Oracle_linux | — | oracle-linux-upgrade-libssh2oracle-linux-upgrade-libssh2-develoracle-linux-upgrade-libssh2-docs | Jul 21, 2020 | Mar 13, 2019 |
| Redhat_linux | — | redhat-upgrade-libssh2redhat-upgrade-libssh2-debuginforedhat-upgrade-libssh2-develredhat-upgrade-libssh2-docs | Aug 7, 2019 | Mar 25, 2019 |
| Suse | — | suse-upgrade-libssh2-1suse-upgrade-libssh2-1-32bitsuse-upgrade-libssh2-1-x86suse-upgrade-libssh2-devel | Mar 20, 2019 | Mar 19, 2019 |
| Ubuntu | ubuntu-pro-upgrade-libssh2-1 | Mar 22, 2023 | Mar 25, 2019 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Mar 25, 2019 |
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