What’s Vulnerable › Vulnerabilities
CVE-2019-8656
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-10-27 · updated 2026-06-17
Description
This was addressed with additional checks by Gatekeeper on files mounted through a network share. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra. Extracting a zip file containing a symbolic link to an endpoint in an NFS mount that is attacker controlled may bypass Gatekeeper.
Affected products
- macOS: before 10.14.6 — fixed in 10.14.6
How to fix
Upgrade to a fixed version: macOS 10.14.6. Check the vendor advisory for mitigations.
References
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