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Fencer Vulns
critical 9.8

CVE-2016-10714 json

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 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-1713

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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

Patch / fix

  • zsh zsh 5.3
  • zsh Debian 14, Debian 13, Debian 12 5.3-1

debian advisories DEBIAN-CVE-2016-10714

  • zsh Ubuntu 14.04 LTS 5.0.2-3ubuntu6.1
  • zsh Ubuntu 16.04 LTS 5.1.1-1ubuntu2.1

ubuntu advisories UBUNTU-CVE-2016-10714

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • zsh SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 4.3.6-67.9.8.1
  • zsh SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 5.0.5-6.7.2

suse advisories SUSE-SU-2022:14910-1SUSE-SU-2018:1072-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-10714 updated cvss 3.3

zsh: Off-by-one error results in undersized buffers

  • Red Hat Enterprise Linux 5 zsh Red Hat Enterprise Linux 6 zsh, zsh-html Red Hat Enterprise Linux 7 zsh, zsh-html Red Hat Enterprise Linux 8 zsh, zsh-html
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.13% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.