CVE-2016-10714: Canonical Ubuntu Linux

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

In zsh before 5.3, an off-by-one error resulted in undersized buffers that were intended to support PATH_MAX characters.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 17.10 only
• Zsh Zsh: before 5.3 (fixed in 5.3)

Published 2018-02-27. Last modified 2026-06-17.