7.8
High
CVE-2026-20611 An out-of-bounds access issue was addressed with improved bounds checking
Description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| macOS 26.3 | earliest → < 26.3 | 26.3 |
| macOS 15.7 | earliest → < 15.7.4 | 15.7.4 |
| macOS 14.8 | earliest → < 14.8.4 | 14.8.4 |
| watchOS 26.3 | earliest → < 26.3 | 26.3 |
| visionOS 26.3 | earliest → < 26.3 | 26.3 |
| iOS and iPadOS 26.3 | earliest → < 26.3 | 26.3 |
| iOS and iPadOS 18.7 | earliest → < 18.7.5 | 18.7.5 |
| tvOS 26.3 | earliest → < 26.3 | 26.3 |
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