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8.8 High

CVE-2026-65390 An integer overflow was addressed with improved input validation

Description

An integer overflow was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.

Affected products and versions

Product Affected versions Fixed in
Safari 26.6 earliest → < 26.6.1 26.6.1
iOS and iPadOS 26.6 earliest → < 26.6.1 26.6.1
macOS 26.6 earliest → < 26.6.2 26.6.2
tvOS 27 earliest → < 27 27
visionOS 27 earliest → < 27 27
watchOS 27 earliest → < 27 27

References

Timeline

  1. Published
  2. Last modified

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