What is CVE-2016-10714?

CVE-2016-10714 is a critical-severity vulnerability in Zsh, classified under CWE-189. CVSS score: 9.8/10. Published 2018-02-27.

How severe is CVE-2016-10714?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Zsh

CVE-2016-10714

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

Published 2018-02-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Zsh
Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10

Weakness classification (CWE)

CWE-189

References

usn.ubuntu.com/3593-1/ (vendor-advisory, Third Party Advisory)
sourceforge.net/p/zsh/code/ci/a62e1640bcafbb82d86ea8d8ce057a83c4683d60 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2016-10714?: CVE-2016-10714 is a critical-severity vulnerability in Zsh, classified under CWE-189. CVSS score: 9.8/10. Published 2018-02-27.
How severe is CVE-2016-10714?: Critical severity. CVSS v3 base score is 9.8 out of 10.