What’s Vulnerable › Vulnerabilities
CVE-2020-3847
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-04-01 · updated 2026-06-17
- Weakness: CWE-20
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3. A remote attacker may be able to leak 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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