About the security content of macOS Big Sur 11.7.8

This document describes the security content of macOS Big Sur 11.7.8.

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macOS Big Sur 11.7.8

Released June 21, 2023

Kernel

Available for: macOS Big Sur

Impact: An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

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

CVE-2023-32434: Georgy Kucherin (@kucher1n), Leonid Bezvershenko (@bzvr_), Boris Larin (@oct0xor), and Valentin Pashkov of Kaspersky

Entry updated August 1, 2023

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Published Date: August 01, 2023