6.3
Medium
CVE-2025-43400 An out-of-bounds write issue was addressed with improved bounds checking
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.1 and iPadOS 18.7.1, iOS 26.0.1 and iPadOS 26.0.1, macOS Sequoia 15.7.1, macOS Sonoma 14.8.1, macOS Tahoe 26.0.1, tvOS 26.1, visionOS 26.0.1, watchOS 26.1. Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| tvOS 26.1 | earliest → < 26.1 | 26.1 |
| watchOS 26.1 | earliest → < 26.1 | 26.1 |
| iOS and iPadOS 26.0 | earliest → < 26.0.1 | 26.0.1 |
| iOS and iPadOS 18.7 | earliest → < 18.7.1 | 18.7.1 |
| macOS 26.0 | earliest → < 26.0.1 | 26.0.1 |
| macOS 15.7 | earliest → < 15.7.1 | 15.7.1 |
| macOS 14.8 | earliest → < 14.8.1 | 14.8.1 |
| visionOS 26.0 | earliest → < 26.0.1 | 26.0.1 |
Other CVEs of tvOS
The 1386 CVEs of tvOS →
CVE-2026-86972
A buffer overflow was addressed with improved size validation
7.8
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CVE-2026-113912
An out-of-bounds access issue was addressed with improved bounds checking
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High
CVE-2026-86964
A null pointer dereference was addressed with improved input validation
7.5
High
CVE-2026-113904
A use-after-free issue was addressed with improved memory management
4.3
Medium