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TI-2019-06396 Aliases CVE-2019-8836GHSA-33r9-2244-pqxx

Out-of-bounds write in Apple iOS and iPadOS

Priority LOW 37CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A memory corruption issue was addressed with improved memory handling. This issue is fixed in watchOS 6.1.2, iOS 13.3.1 and iPadOS 13.3.1, tvOS 13.3.1. An application may be able to execute arbitrary code with kernel privileges.

Why it matters now

EPSS 0.01353 71st percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 13.3tvOS (Apple): 13.3+1 more product

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 13.313.3Patch availableCNA
AppletvOSbefore 13.313.3Patch availableCNA
ApplewatchOSbefore 6.16.1Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 13.3 Fixed in 13.3 Patch available CNA
  • tvOS VendorApple Affected before 13.3 Fixed in 13.3 Patch available CNA
  • watchOS VendorApple Affected before 6.1 Fixed in 6.1 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 13.3.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.3.1VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 13.3.1VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 6.1.2VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.3.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.3.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13.3.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.1.2 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 13.3
  • Fix · CNA tvOS (Apple) Fixed in 13.3
  • Fix · CNA watchOS (Apple) Fixed in 6.1

Fixed in the same release

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

  • Release ·

    Apple iOS and iPadOS 13.3

    17 records Highest priority Priority MEDIUM 4 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2019-06404 Use after free in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2019-06403 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2019-06395 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 17 records →
  • Release ·

    Apple tvOS 13.3

    6 records Highest priority Priority MEDIUM 3 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2019-06404 Use after free in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2019-06403 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2019-06395 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 6 records →
Show 1 more group
  • Release ·

    Apple watchOS 6.1

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2019-06403 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8836
  2. 2026-10-03 Alias added: GHSA-33r9-2244-pqxx

References

Advisory 3

  • 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