About the security content of iOS 12.4.7

This document describes the security content of iOS 12.4.7.

About Apple security updates

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

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iOS 12.4.7

Released 26 May 2020

Mail

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

Impact: Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2020-9818: ZecOps.com

Mail

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

Impact: Processing a maliciously crafted mail message may lead to heap corruption

Description: A memory consumption issue was addressed with improved memory handling.

CVE-2020-9819: ZecOps.com

Wi-Fi

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

Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory

Description: A memory corruption issue was addressed with improved input validation.

CVE-2020-3843: Ian Beer of Google Project Zero

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