The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all compilers, which might allows local users to gain privileges by leveraging access to a sandboxed privilege-separation process, related to the m_zback and m_zlib data structures.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Aix 5.3 Openssh_advisory10 | — | — | Apr 5, 2017 | Jan 4, 2017 |
| Aix 6.1 Openssh_advisory10 | — | — | Apr 5, 2017 | Jan 4, 2017 |
| Aix 7.1 Openssh_advisory10 | — | — | Apr 5, 2017 | Jan 4, 2017 |
| Aix 7.2 Openssh_advisory10 | — | — | Apr 5, 2017 | Jan 4, 2017 |
| Alpine Linux | — | Upgrade openssh | Sep 20, 2017 | Jan 5, 2017 |
| Amazon_linux | — | Upgrade openssh | Oct 3, 2017 | Jan 4, 2017 |
| Apple Osx Openssh | — | Upgrade macOS to the latest version | Mar 28, 2017 | Jan 4, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jan 5, 2017 |
| Centos_linux | — | Upgrade openssh-ldapUpgrade openssh-cavsUpgrade openssh-debuginfoUpgrade openssh-serverUpgrade opensshUpgrade openssh-clientsUpgrade openssh-server-sysvinitUpgrade openssh-keycatUpgrade pam_ssh_agent_authUpgrade openssh-askpass | Aug 28, 2019 | Jan 5, 2017 |
| Debian | — | Upgrade openssh | Feb 25, 2019 | Jan 4, 2017 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Jan 27, 2017 |
| Hpux | — | Apply the remediation from HP for CVE-2016-10012 | Jul 3, 2018 | Jan 4, 2017 |
| Huawei Euleros 2_0_sp1 | — | Upgrade openssh-serverUpgrade opensshUpgrade openssh-askpassUpgrade openssh-clientsUpgrade openssh-keycat | Nov 30, 2017 | Jan 4, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade openssh-serverUpgrade openssh-askpassUpgrade opensshUpgrade openssh-clientsUpgrade openssh-keycat | Nov 30, 2017 | Jan 4, 2017 |
| Ibm Aix | — | Apply the fix or workaround for openssh_advisory10 | Nov 30, 2017 | Jan 4, 2017 |
| Openbsd Openssh | — | Upgrade to OpenSSH version 7.4 | Jan 9, 2017 | Jan 5, 2017 |
| Oracle Solaris | — | Upgrade network/openssh to version 7.4.0.1-0.175.3.20.0.3.0 on Solaris 11.3 | May 29, 2017 | Jan 4, 2017 |
| Oracle_linux | — | Upgrade openssh-ldapUpgrade openssh-serverUpgrade openssh-keycatUpgrade pam_ssh_agent_authUpgrade openssh-clientsUpgrade openssh-cavsUpgrade openssh-server-sysvinitUpgrade opensshUpgrade openssh-askpass | Aug 8, 2017 | Dec 19, 2016 |
| Panos | — | Update PAN-OS 8.1 to the latest workaround for your deviceUpdate PAN-OS 7.1 to the latest workaround for your deviceUpdate PAN-OS 8.0 to the latest workaround for your deviceUpdate PAN-OS 9.0 to the latest workaround for your device | Jun 17, 2020 | Jun 17, 2020 |
| Redhat_linux | — | No solution existsUpgrade openssh-keycatUpgrade openssh-debuginfoUpgrade opensshUpgrade openssh-server-sysvinitUpgrade openssh-clientsUpgrade pam_ssh_agent_authUpgrade openssh-askpassUpgrade openssh-cavsUpgrade openssh-ldapUpgrade openssh-server | Aug 3, 2017 | Jan 4, 2017 |
| Suse | — | Upgrade openssh-commonUpgrade openssh-askpassUpgrade openssh-serverUpgrade openssh-openssl1-helpersUpgrade openssh-helpersUpgrade openssh-fipsUpgrade opensshUpgrade openssh-openssl1Upgrade openssh-clientsUpgrade openssh-askpass-gnome | Jan 24, 2017 | Jan 4, 2017 |
| Ubuntu | — | Upgrade openssh-server | Jan 24, 2018 | Jan 4, 2017 |
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