What’s Vulnerable › Vulnerabilities
CVE-2020-27939
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.9% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-04-02 · updated 2026-06-17
Description
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.
Affected products
- Apple macOS: before 11.1.0 — fixed in 11.1.0
How to fix
Upgrade to a fixed version: Apple macOS 11.1.0. Check the vendor advisory for mitigations.
References
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