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GeezerVison is showing support.apple.com — About the security content of iOS 12.5.3 - Apple Support

    About the security content of iOS 12.5.3

    This document describes the security content of iOS 12.5.3.

    About Apple security updates

    For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

    Apple security documents reference vulnerabilities by CVE-ID when possible.

    For more information about security, see the Apple Product Security page.

    iOS 12.5.3

    Released May 3, 2021

    WebKit

    Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation)

    Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

    Description: A buffer overflow issue was addressed with improved memory handling.

    CVE-2021-30666: yangkang (@dnpushme)&zerokeeper&bianliang of 360 ATA

    WebKit

    Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation)

    Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

    Description: A memory corruption issue was addressed with improved state management.

    CVE-2021-30665: yangkang (@dnpushme)&zerokeeper&bianliang of 360 ATA

    WebKit

    Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation)

    Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

    Description: An integer overflow was addressed with improved input validation.

    CVE-2021-30663: an anonymous researcher

    WebKit Storage

    Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation)

    Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

    Description: A use after free issue was addressed with improved memory management.

    CVE-2021-30661: yangkang (@dnpushme)&zerokeeper&bianliang of 360 ATA

    Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Contact the vendor for additional information.

    Published Date: November 02, 2023
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