Read the docs
TI-2023-19975 Aliases CVE-2023-38603GHSA-cvvm-pvjp-7hfp

Apple iOS and iPadOS: A remote user may be able to cause a denial-of-service

Priority MEDIUM 41Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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 checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. A remote user may be able to cause a denial-of-service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01194 68th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 16.6macOS (Apple): 13.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 16.616.6Patch availableCNA
ApplemacOSbefore 13.513.5Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 16.6 Fixed in 16.6 Patch available CNA
  • macOS VendorApple Affected before 13.5 Fixed in 13.5 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.7.8; 16.0 to before 16.6VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.7.8; 16.0 to before 16.6VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 11.7.9; 12.0 to before 12.6.8; 13.0 to before 13.5VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.7.8; 16.0 to before 16.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.7.8; 16.0 to before 16.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 11.7.9; 12.0 to before 12.6.8; 13.0 to before 13.5 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.6
  • Fix · CNA macOS (Apple) Fixed in 13.5

Fixed in the same release

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

  • Release ·

    Apple macOS 13.5

    26 records Highest priority Priority MEDIUM 6 MEDIUM, 20 LOW

    Other records, highest priority first

    • TI-2023-19972 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 43
    • TI-2023-19983 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 41
    • TI-2023-19967 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 41
  • Release ·

    Apple iOS and iPadOS 16.6

    16 records Highest priority Priority MEDIUM 4 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2023-19972 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 43
    • TI-2023-19983 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 41
    • TI-2023-19967 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 41

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-38603
  2. 2026-10-03 Alias added: GHSA-cvvm-pvjp-7hfp

References

  • 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