About the security content of iOS 12.4.9

This document describes the security content of iOS 12.4.9.

About Apple security updates

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

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iOS 12.4.9

Released 5 November 2020

FaceTime

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

Impact: a user may send video in Group FaceTime calls without knowing that they have done so

Description: a logic issue existed in the handling of Group FaceTime calls. The issue was addressed with improved state management.

CVE-2020-27929: James P (@Jam_Penn)

FontParser

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

Impact: processing a maliciously crafted font may lead to arbitrary code execution. Apple is aware of reports that an exploit for this issue exists in the wild.

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

CVE-2020-27930: Google Project Zero

Kernel

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

Impact: a malicious application may be able to disclose kernel memory. Apple is aware of reports that an exploit for this issue exists in the wild.

Description: a memory initialisation issue was addressed.

CVE-2020-27950: Google Project Zero

Kernel

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

Impact: a malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

Description: a type confusion issue was addressed with improved state handling.

CVE-2020-27932: Google Project Zero

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