CVE-2019-8647

CRITICAL

iPhone OS < 12.4 - Remote Code Execution via Use-After-Free

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-8647. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit leverages a deserialization vulnerability in iOS's _PFArray class, which fails to retain references to deserialized objects, leading to a crash in Springboard. It can be triggered remotely via iMessage without user interaction.

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.4, tvOS 12.4, watchOS 5.3. A remote attacker may be able to cause arbitrary code execution.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/47192

This exploit leverages a deserialization vulnerability in iOS's _PFArray class, which fails to retain references to deserialized objects, leading to a crash in Springboard. It can be triggered remotely via iMessage without user interaction.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: iOS (specific version not specified)
No auth needed
Prerequisites: Frida installed · Target's phone number or email · Access to the provided exploit files
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/HT210353
Vendor Advisory x_refsource_misc
https://support.apple.com/HT210346
Vendor Advisory x_refsource_misc
https://support.apple.com/HT210351

Scores

CVSS v3 9.8
EPSS 0.1278
EPSS Percentile 95.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (3)
apple/iphone_os < 12.4
apple/tvos < 12.4
apple/watchos < 5.3
Published Dec 18, 2019
Tracked Since Feb 18, 2026