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Vulnerability DatabaseCVE-2021-1741
CVE-2021-1741:
macOS vulnerability analysis and mitigation
Overview
CVE-2021-1741 is an out-of-bounds read vulnerability discovered in Apple's ImageIO component. The vulnerability was fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4, released in January/February 2021. The vulnerability was discovered by Xingwei Lin of Ant Security Light-Year Lab (Apple Security).
Technical details
The vulnerability is classified as an out-of-bounds read issue in the ImageIO component that was addressed with improved bounds checking. It has a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (NVD).
Impact
When exploited, processing a maliciously crafted image may lead to arbitrary code execution on the affected system (Apple Security).
Mitigation and workarounds
Apple has addressed this vulnerability by implementing improved bounds checking in the affected systems. Users should update to macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 or iPadOS 14.4 or later versions (Apple Security).
Additional resources
Source: This report was generated using AI
Related macOS vulnerabilities:
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