View at Official suse advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2017-18205 severity low: SUSE including 5 source package names (zsh, zsh-4.3.6-67.9.8.1, zsh-5.0.2-31.el7, zsh-5.0.5-6.7.2, zsh-html-5.0.2-31.el7), 51 product×package rows across 50 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (50 product lines)): Fixed 33, Known Not Affected 18.
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.