An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. 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 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
- 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 22, 2019 | Mar 20, 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 | May 17, 2023 | Mar 21, 2019 | |
| Amazon_linux | — | amazon-linux-upgrade-libssh2 | Jun 7, 2023 | Mar 20, 2019 |
| Arch Linux | View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗ | arch-linux-upgrade-latest | Jul 11, 2025 | Mar 20, 2019 |
| Debian | debian-upgrade-libssh2 | Mar 27, 2019 | Mar 21, 2019 | |
| F5 Big Ip | f5-bigip-upgrade-latest | Jun 17, 2026 | Jan 14, 2025 | |
| Freebsd | freebsd-upgrade-package-libssh2freebsd-upgrade-package-linux-c6-libssh2freebsd-upgrade-package-linux-c7-libssh2 | Jul 8, 2019 | Apr 18, 2019 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-libssh2 | May 1, 2019 | Mar 21, 2019 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-libssh2 | May 1, 2019 | Mar 21, 2019 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-libssh2 | May 1, 2019 | Mar 21, 2019 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-library-libssh2-1-8-2-11-4-11-0-1-1-0 | Jul 17, 2019 | Mar 21, 2019 | |
| Redhat_linux | no-fix-redhat-rpm-package | Jul 9, 2025 | Mar 21, 2019 | |
| Suse | — | suse-upgrade-libssh2-1suse-upgrade-libssh2-1-32bitsuse-upgrade-libssh2-1-x86suse-upgrade-libssh2-devel | Mar 20, 2019 | Mar 20, 2019 |
| Ubuntu | ubuntu-pro-upgrade-libssh2-1 | Mar 22, 2023 | Mar 21, 2019 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Mar 20, 2019 |
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