What’s Vulnerable › Vulnerabilities
CVE-2020-3839
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-02-27 · updated 2026-06-17
- Weakness: CWE-20
Description
A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.3. An application may be able to read restricted memory.
Affected products
- macOS: before 10.15.3 — fixed in 10.15.3
How to fix
Upgrade to a fixed version: macOS 10.15.3. Check the vendor advisory for mitigations.
References
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