CVE-2019-8613

CRITICAL

iPhone OS < 12.3 - Remote Code Execution via Use-After-Free

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-8613. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit leverages a use-after-free vulnerability in the iPhone IMAP client triggered by a malformed NAMESPACE command response. The attack is initiated via SMS to force the device to connect to a malicious IMAP server, leading to a crash.

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, tvOS 12.3, watchOS 5.2.1. A remote attacker may be able to cause arbitrary code execution.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosios
https://www.exploit-db.com/exploits/46913

This exploit leverages a use-after-free vulnerability in the iPhone IMAP client triggered by a malformed NAMESPACE command response. The attack is initiated via SMS to force the device to connect to a malicious IMAP server, leading to a crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Apple iOS IMAP client (Visual Voicemail)
No auth needed
Prerequisites: Access to send SMS messages to the target device · A server with a valid SSL certificate for hosting the malicious IMAP server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/HT210118
Vendor Advisory x_refsource_misc
https://support.apple.com/HT210120
Vendor Advisory x_refsource_misc
https://support.apple.com/HT210122

Scores

CVSS v3 9.8
EPSS 0.1262
EPSS Percentile 95.7%
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 < 12.3
apple/tvos < 12.3
apple/watchos < 5.2.1
Published Dec 18, 2019
Tracked Since Feb 18, 2026