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TI-2019-06303 Aliases CVE-2019-8740GHSA-cfj2-6prp-5xvj

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 vulnerability was addressed with improved locking. This issue is fixed in iOS 13.1 and iPadOS 13.1, watchOS 6, tvOS 13. An application may be able to execute arbitrary code with kernel privileges.

Why it matters now

EPSS 0.01297 70th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 13.1tvOS (Apple): 13+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 13.113.1Patch availableCNA
AppletvOSbefore 1313Patch availableCNA
ApplewatchOSbefore 66Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 13.1 Fixed in 13.1 Patch available CNA
  • tvOS VendorApple Affected before 13 Fixed in 13 Patch available CNA
  • watchOS VendorApple Affected before 6 Fixed in 6 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*before 13.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.1VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 13VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 6.0VulnerableApple
  • cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* Versions before 13.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.0 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 13.1
  • Fix · CNA tvOS (Apple) Fixed in 13
  • Fix · CNA watchOS (Apple) Fixed in 6

Fixed in the same release

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

  • Release ·

    Apple tvOS 13

    23 records Highest priority Priority MEDIUM 10 MEDIUM, 13 LOW

    Other records, highest priority first

  • Release ·

    Apple watchOS 6

    20 records Highest priority Priority MEDIUM 9 MEDIUM, 11 LOW

    Other records, highest priority first

Show 1 more group
  • Release ·

    Apple iOS and iPadOS 13.1

    14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2019-06336 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2019-06315 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2019-06314 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8740
  2. 2026-10-03 Alias added: GHSA-cfj2-6prp-5xvj

References

  • TI-2022-06888 Use after free in Apple Safari CVSS 3.1HIGH 8.8
  • TI-2022-06876 Out-of-bounds write in Apple Safari CVSS 3.1HIGH 8.8
  • TI-2024-15360 Incorrect authorization in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.1
  • TI-2021-01529 Apple iOS and iPadOS: A remote attacker may be able to cause unexpected application… CVSS 3.1CRITICAL 9.8
  • TI-2021-01509 Out-of-bounds write in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.8
  • TI-2021-01508 Out-of-bounds write in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.8
See all 88 →

Sources