TI-2019-06105 Aliases CVE-2019-8527 GHSA-c4q5-2fgw-8768

Buffer overflow in Apple iOS

MEDIUM 45CWE-120Published 2019-12-18 · Updated 2024-08-04

Key facts

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

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

Summary

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Why it matters now

EPSS 0.03242 88th percentileScored 2026-11-07

Fix Fixed iOS (Apple): iOS 12.2macOS (Apple): macOS Mojave 10.14.4+2 more products

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Apple	iOS	before iOS 12.2	iOS 12.2	Patch available	CNA
Apple	macOS	before macOS Mojave 10.14.4	macOS Mojave 10.14.4	Patch available	CNA
Apple	tvOS	before tvOS 12.2	tvOS 12.2	Patch available	CNA
Apple	watchOS	before watchOS 5.2	watchOS 5.2	Patch available	CNA

iOS VendorApple Affected before iOS 12.2 Fixed in iOS 12.2 Patch available CNA
macOS VendorApple Affected before macOS Mojave 10.14.4 Fixed in macOS Mojave 10.14.4 Patch available CNA
tvOS VendorApple Affected before tvOS 12.2 Fixed in tvOS 12.2 Patch available CNA
watchOS VendorApple Affected before watchOS 5.2 Fixed in watchOS 5.2 Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:iphone_os::::::::	before 12.2	Vulnerable	Apple
cpe:2.3:o:apple:mac_os_x::::::::	before 10.14.4	Vulnerable	Apple
cpe:2.3:o:apple:tvos::::::::	before 12.2	Vulnerable	Apple
cpe:2.3:o:apple:watchos::::::::	before 5.2	Vulnerable	Apple

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.2 Vulnerable ·Apple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.14.4 Vulnerable ·Apple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 12.2 Vulnerable ·Apple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 5.2 Vulnerable ·Apple

Remediation

Fix · CNA iOS (Apple) Fixed in iOS 12.2
Fix · CNA macOS (Apple) Fixed in macOS Mojave 10.14.4
Fix · CNA tvOS (Apple) Fixed in tvOS 12.2
Fix · CNA watchOS (Apple) Fixed in watchOS 5.2

Fixed in the same release

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

Release · 2019-12-18
Apple iOS iOS 12.2
49 records Highest priority Priority CRITICAL 1 CRITICAL, 18 MEDIUM, 30 LOW
Other records, highest priority first
- TI-2019-06084 Type confusion in Apple iOSPriority CRITICAL 97
- TI-2019-06096 Out-of-bounds write in Apple iOSPriority MEDIUM 51
- TI-2019-06134 Out-of-bounds write in Apple iOSPriority MEDIUM 48
Show all 49 records →
Release · 2019-12-18
Apple tvOS tvOS 12.2
33 records Highest priority Priority CRITICAL 1 CRITICAL, 17 MEDIUM, 15 LOW
Other records, highest priority first
- TI-2019-06084 Type confusion in Apple iOSPriority CRITICAL 97
- TI-2019-06096 Out-of-bounds write in Apple iOSPriority MEDIUM 51
- TI-2019-06134 Out-of-bounds write in Apple iOSPriority MEDIUM 48
Show all 33 records →

Show 2 more groups

Release · 2019-12-18
Apple macOS macOS Mojave 10.14.4
33 records Highest priority Priority CRITICAL 1 CRITICAL, 4 MEDIUM, 28 LOW
Other records, highest priority first
- TI-2019-06104 Use after free in Apple macOSPriority CRITICAL 93
- TI-2019-06141 Race condition in Apple iOSPriority MEDIUM 46
- TI-2019-06137 Improper input validation in Apple macOSPriority MEDIUM 44
Show all 33 records →
Release · 2019-12-18
Apple watchOS watchOS 5.2
27 records Highest priority Priority CRITICAL 1 CRITICAL, 9 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2019-06084 Type confusion in Apple iOSPriority CRITICAL 97
- TI-2019-06096 Out-of-bounds write in Apple iOSPriority MEDIUM 51
- TI-2019-06134 Out-of-bounds write in Apple iOSPriority MEDIUM 48
Show all 27 records →

Timeline

2026-10-02 Threatist record created from CVE-2019-8527
2026-10-03 Alias added: GHSA-c4q5-2fgw-8768

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 4500 →

Sources

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