CVE-2018-7548
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-7548
Vendor advisory: arch — https://security.archlinux.org/ASA-201804-7
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 5.5-1 | |
| debian | bookworm | fixed | 5.5-1 |
| debian | bullseye | fixed | 5.5-1 |
| debian | forky | fixed | 5.5-1 |
| debian | sid | fixed | 5.5-1 |
| debian | trixie | fixed | 5.5-1 |
References
Verify integrity in audit chain (admin only). AS-IS.