VULNERABILITY INTELLIGENCE

CVE-2017-18205

CVSS score8.1 HIGH
EPSS probability2.04%
CISA KEVNot currently listed
Published2018-02-27
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references