Public Date:
1553531: CVE-2018-1071 zsh: Stack-based buffer overflow in exec.c:hashcmd()

The MITRE CVE dictionary describes this issue as:

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.

Find out more about CVE-2018-1071 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 3.3
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (zsh) RHSA-2018:3073 2018-10-30

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 zsh Not affected
Red Hat Enterprise Linux 6 zsh Will not fix
Red Hat Enterprise Linux 5 zsh Will not fix


This issue was discovered by Richard Maciel Costa (Red Hat).
Last Modified

CVE description copyright © 2017, The MITRE Corporation