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Parsing a malicious file can crash an iPhone, iPad, or Mac app
CVE-2026-20657
Summary
A vulnerability in iOS and macOS devices could cause an app to crash if it's given a specially designed file. This could happen if a user opens a file from an unknown source. Apple has fixed this issue in recent software updates.
Original title
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5. Parsing a maliciously crafted file may lead to...
Original description
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5. Parsing a maliciously crafted file may lead to an unexpected app termination.
Published: 25 Mar 2026 · Updated: 25 Mar 2026 · First seen: 25 Mar 2026