CVE-2016-10012: OpenBSD OpenSSH

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

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.

Affected products

• OpenBSD OpenSSH: up to and including 7.3

Published 2017-01-05. Last modified 2026-06-17.