Is CVE-2017-18206 actively exploited?

CVE-2017-18206 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2017-18206?

CVE-2017-18206 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Patch guidance is available from zsh security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-18206.

4 products: zsh zsh, canonical ubuntu linux, canonical ubuntu linux, canonical ubuntu linux.

In utils.c in zsh before 5.4, symlink expansion had a buffer overflow.

Primary Vendor: ZSH
Published: 2/27/2018
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

zsh : zshcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linux

Cite this page

CVE-2017-18206. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2017-18206