CVE-2016-10714

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

Published 27 Feb 2018Modified 17 Jun 2026CWE 189

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Red Hat3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (medium), Red Hat (low).

Description

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

Affected packages and fixed versions

Source	Package	Fixed in
debian 11	zsh	5.3-1
debian 12	zsh	5.3-1
debian 13	zsh	5.3-1
debian 14	zsh	5.3-1
debian 7	zsh	4.3.17-1+deb7u1
debian 8	zsh	no fix listed
echo	zsh	5.3-1
ubuntu 14.04	zsh	5.0.2-3ubuntu6.1
ubuntu 16.04	zsh	5.1.1-1ubuntu2.1
ubuntu 16.04-ESM	zsh	5.1.1-1ubuntu2.1
ubuntu 17.10	zsh	5.2-5ubuntu1.1

References

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.