CVE-2019-8591
HIGH
7.1
CVSS Score
Published: December 18, 2019 at 05:33 PM UTC
Updated: June 17, 2026 at 02:42 AM UTC
4 products affected across 1 vendormacOSiPhone OStvOS
Using iOS by Apple?
Get instant alerts when new vulnerabilities affect iOS - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.1
Exploit prediction
EPSS 4%
Description
A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. An application may be able to cause unexpected system termination or write kernel memory.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 12.3v < iOS 12.3
Affected range stops below 12.3, so it looks safe — our inference, not a vendor statement
Affected range stops below iOS 12.3, so it looks safe — our inference, not a vendor statement
v < 10.14.5v < macOS Mojave 10.14.5
Affected range stops below 10.14.5, so it looks safe — our inference, not a vendor statement
Affected range stops below macOS Mojave 10.14.5, so it looks safe — our inference, not a vendor statement
v < 12.3v < tvOS 12.3
Affected range stops below 12.3, so it looks safe — our inference, not a vendor statement
Affected range stops below tvOS 12.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-843
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card