7.5
High
CVE-2026-28872 A resource exhaustion issue was addressed with improved input validation
Description
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 26.4 | earliest → < 26.4 | 26.4 |
| iOS and iPadOS 18.7 | earliest → < 18.7.9 | 18.7.9 |
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