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sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade openssh | Aug 30, 2017 | Aug 23, 2015 |
| Freebsd | — | Upgrade openssh-portableUpgrade FreeBSD | Dec 10, 2025 | Aug 21, 2015 |
| Gentoo Linux | — | Upgrade net-misc/openssh. | Oct 30, 2017 | Aug 23, 2015 |
| Openbsd Openssh | — | Upgrade to the latest version of OpenSSH | Aug 26, 2015 | Aug 24, 2015 |
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