Skip to content
AppleCVE-2026-64719

Apple Safari: out-of-bounds read

High8.1CVE-2026-64719 · Published Jul 27, 2026 · updated Aug 17, 2026

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Apple advisory

Affected versions

PackageAffectedFixed in
Safari
Product
< 26.626.6
iOS and iPadOS
Product
< 18.7.1018.7.10
< 26.626.6
macOS
Product
< 26.626.6
tvOS
Product
< 26.626.6
visionOS
Product
< 26.626.6
watchOS
Product
< 26.626.6
Details and references

More Apple advisories

All Apple
Advisory
Apple iOS and iPadOS: out-of-bounds write
Critical9.8Jul 27
Apple iOS and iPadOS: out-of-bounds write
Critical9.8Jul 27
Apple iOS and iPadOS: buffer overflow
Critical9.8Jul 27
Apple iOS and iPadOS: out-of-bounds write
Critical9.8Jul 27
Apple iOS and iPadOS: integer overflow
Critical9.8Jul 27
A memory initialization issue was addressed with improved memory handling
Critical9.8Jul 27

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.

Double opt-in. Unsubscribe any time.