High severity7.8NVD Advisory· Published Apr 2, 2021· Updated Jun 17, 2026

CVE-2020-27919

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. Processing a maliciously crafted image may lead to arbitrary code execution.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOSv5
Range: unspecified
Apple Inc./macOS Big Surllm-fuzzy
Range: 11.0.1, 11.1
Apple Inc./macOS Catalinallm-create
Range: Security Update 2020-001
Apple Inc./macOS Mojavellm-create
Range: Security Update 2020-007
Apple Inc./Mac OS X
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Range: <11.0.1

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT211931nvdVendor Advisory
support.apple.com/en-us/HT212011nvdVendor Advisory

News mentions

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