CVE-2018-7548
9.8 · CRITICALOverview
CVE-2018-7548 is a critical-severity vulnerability affecting zsh zsh. It was published on February 27, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.
Remediation
Check the references section for vendor advisories and patches from zsh. Update zsh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| zsh | zsh | 0 | Affected |
Frequently Asked Questions
What is CVE-2018-7548?
CVE-2018-7548 is a critical-severity vulnerability affecting zsh zsh. It was published on February 27, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2018-7548?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-7548?
Check the references section for vendor advisories and patches from zsh. Update zsh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-7548?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-7548 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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