Is CVE-2018-1071 actively exploited?

CVE-2018-1071 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-1071?

CVE-2018-1071 has a CVSS score of 5.5 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2018-1071?

Patch guidance is available from zsh security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-1071.

CVE-2018-1071 - remediation guidance & executive summary

Q: Which products are affected by CVE-2018-1071?

8 products: zsh zsh, debian debian linux, canonical ubuntu linux, canonical ubuntu linux, canonical ubuntu linux, and 3 more.

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-121 CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: ZSH
Published: 3/9/2018
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

zsh : zshdebian : debian_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxredhat : enterprise_linux_desktopredhat : enterprise_linux_serverredhat : enterprise_linux_workstation

Remediation Guidance

Executive Summary

Cite this page

CVE-2018-1071. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2018-1071

View on NIST NVD

CVE-2018-1071 vulnerability