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TI-2026-46254 Aliases CVE-2026-64719GHSA-jjg5-qmwf-237x

Out-of-bounds read in Apple Safari

Priority LOW 35CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.004 34th percentileScored 2026-11-07
Fix Fixed Safari (Apple): 26.6iOS and iPadOS (Apple): 18.7.10, 26.6+4 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleSafaribefore 26.626.6Patch availableCNA
AppleiOS and iPadOSbefore 18.7.10; before 26.618.7.10, 26.6Patch availableCNA
ApplemacOSbefore 26.626.6Patch availableCNA
AppletvOSbefore 26.626.6Patch availableCNA
ApplevisionOSbefore 26.626.6Patch availableCNA
ApplewatchOSbefore 26.626.6Patch availableCNA
  • Safari VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 18.7.10; before 26.6 Fixed in 18.7.10, 26.6 Patch available CNA
  • macOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • tvOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • visionOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA
  • watchOS VendorApple Affected before 26.6 Fixed in 26.6 Patch available CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 26.6VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.6VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.6VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*26.0 to before 26.6VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 26.6VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 26.6VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 26.6VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 26.0 to before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 26.6 Vulnerable ·Apple

Remediation

  • Fix · CNA Safari (Apple) Fixed in 26.6
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.10, 26.6
  • Fix · CNA macOS (Apple) Fixed in 26.6
  • Fix · CNA tvOS (Apple) Fixed in 26.6
  • Fix · CNA visionOS (Apple) Fixed in 26.6
  • Fix · CNA watchOS (Apple) Fixed in 26.6

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple tvOS 26.6

    66 records Highest priority Priority MEDIUM 27 MEDIUM, 39 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46307 Apple iOS and iPadOS: An app may be able to cause unexpected system terminationPriority MEDIUM 50
    • TI-2026-46306 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 66 records →
  • Release ·

    Apple visionOS 26.6

    65 records Highest priority Priority MEDIUM 24 MEDIUM, 41 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46307 Apple iOS and iPadOS: An app may be able to cause unexpected system terminationPriority MEDIUM 50
    • TI-2026-46306 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 65 records →
Show 4 more groups
  • Release ·

    Apple watchOS 26.6

    64 records Highest priority Priority MEDIUM 23 MEDIUM, 41 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46307 Apple iOS and iPadOS: An app may be able to cause unexpected system terminationPriority MEDIUM 50
    • TI-2026-46284 Use after free in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 64 records →
  • Release ·

    Apple iOS and iPadOS 18.7.10, 26.6

    57 records Highest priority Priority MEDIUM 19 MEDIUM, 38 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46306 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 50
    • TI-2026-46303 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 57 records →
  • Release ·

    Apple macOS 26.6

    32 records Highest priority Priority MEDIUM 14 MEDIUM, 18 LOW

    Other records, highest priority first

    • TI-2026-46261 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2026-46284 Use after free in Apple iOS and iPadOSPriority MEDIUM 50
    • TI-2026-46281 Missing authorization in Apple iOS and iPadOSPriority MEDIUM 50
    Show all 32 records →
  • Release ·

    Apple Safari 26.6

    9 records Highest priority Priority MEDIUM 2 MEDIUM, 7 LOW

    Other records, highest priority first

    Show all 9 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-64719
  2. 2026-10-03 Alias added: GHSA-jjg5-qmwf-237x

References

Advisory 6

Other 1

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences