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Vulnerability DatabaseCVE-2020-27926
CVE-2020-27926:
macOS vulnerability analysis and mitigation
Overview
A use after free vulnerability (CVE-2020-27926) was discovered in Apple's libxml2 library that affects iOS and iPadOS systems. The vulnerability was fixed in iOS 14.2 and iPadOS 14.2, released on November 5, 2020. The issue was discovered by OSS-Fuzz and affects the processing of maliciously crafted web content (Apple Support, NVD).
Technical details
The vulnerability is a use-after-free issue in the libxml2 library that was addressed with improved memory management. The CVSS v3.1 base score for this vulnerability is 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. The vulnerability is classified as CWE-416 (Use After Free) (NVD).
Impact
Processing maliciously crafted web content may lead to arbitrary code execution on affected systems. This could potentially allow attackers to execute unauthorized code and compromise the security of the affected device (Apple Support).
Mitigation and workarounds
Apple has addressed this vulnerability by improving memory management in iOS 14.2 and iPadOS 14.2. Users are advised to update their devices to these versions or later to protect against this vulnerability (Apple Support).
Additional resources
Source: This report was generated using AI
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