Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-4317
CVE-2021-4317:
Google Chrome vulnerability analysis and mitigation
Overview
A high-severity use-after-free vulnerability in ANGLE (CVE-2021-4317) was discovered in Google Chrome versions prior to 96.0.4664.93. The vulnerability was reported by Jeonghoon Shin of Theori on October 18, 2021, and was patched in December 2021. This security flaw affected Chrome browsers across Windows, Mac, and Linux platforms (Chrome Release).
Technical details
The vulnerability is classified as a use-after-free bug specifically affecting the ANGLE (Almost Native Graphics Layer Engine) component in Google Chrome. The severity was rated as High by the Chrome security team, and Google awarded a $5,000 bounty for the discovery, indicating its significant impact (Chrome Release).
Impact
When exploited, this vulnerability allowed remote attackers to perform arbitrary read/write operations via a crafted HTML page (NVD).
Mitigation and workarounds
Google addressed this vulnerability in Chrome version 96.0.4664.93. Users are advised to update their Chrome browsers to this version or later. The fix was released as part of a larger security update that addressed multiple vulnerabilities (Chrome Release).
Additional resources
Source: This report was generated using AI
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