Read the docs
TI-2023-09346 Aliases CVE-2023-23512GHSA-2wr8-x7wx-q9hc

Apple iOS and iPadOS: Visiting a website may lead to an app denial-of-service

Priority LOW 30Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

The issue was addressed with improved handling of caches. This issue is fixed in watchOS 9.3, tvOS 16.3, macOS Ventura 13.2, iOS 16.3 and iPadOS 16.3. Visiting a website may lead to an app denial-of-service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00704 53rd percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 16.3tvOS (Apple): 16.3+2 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
AppleiOS and iPadOSbefore 16.316.3Patch availableCNA
AppletvOSbefore 16.316.3Patch availableCNA
ApplemacOSbefore 13.213.2Patch availableCNA
ApplewatchOSbefore 9.39.3Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 16.3 Fixed in 16.3 Patch available CNA
  • tvOS VendorApple Affected before 16.3 Fixed in 16.3 Patch available CNA
  • macOS VendorApple Affected before 13.2 Fixed in 13.2 Patch available CNA
  • watchOS VendorApple Affected before 9.3 Fixed in 9.3 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 16.3VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 16.3VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*13.0 to before 13.2VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 16.3VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 9.3VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 16.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 9.3 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.3
  • Fix · CNA tvOS (Apple) Fixed in 16.3
  • Fix · CNA macOS (Apple) Fixed in 13.2
  • Fix · CNA watchOS (Apple) Fixed in 9.3

Fixed in the same release

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

  • Release ·

    Apple macOS 13.2

    28 records Highest priority Priority CRITICAL 1 CRITICAL, 6 MEDIUM, 21 LOW

    Other records, highest priority first

    • TI-2023-09361 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
    • TI-2023-09347 Buffer overflow in Apple macOSPriority MEDIUM 52
    • TI-2023-09363 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
    Show all 28 records →
  • Release ·

    Apple iOS and iPadOS 16.3

    19 records Highest priority Priority CRITICAL 1 CRITICAL, 5 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2023-09361 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
    • TI-2023-09363 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 19 records →
Show 2 more groups
  • Release ·

    Apple watchOS 9.3

    14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09350 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09331 Code injection in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 14 records →
  • Release ·

    Apple tvOS 16.3

    13 records Highest priority Priority MEDIUM 4 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09350 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09331 Code injection in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 13 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-23512
  2. 2026-10-03 Alias added: GHSA-2wr8-x7wx-q9hc

References

Advisory 4

  • 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