CVE-2019-8624

HIGH

watchOS < 5.3 - Out-of-bounds Read

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-8624. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit targets CVE-2019-8624, an out-of-bounds read vulnerability in the iMessage extension for iOS. The PoC leverages a malformed Tap message with mismatched array lengths to trigger a crash in SpringBoard without user interaction.

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 5.3. A remote attacker may be able to leak memory.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdoswatchos
https://www.exploit-db.com/exploits/47158

This exploit targets CVE-2019-8624, an out-of-bounds read vulnerability in the iMessage extension for iOS. The PoC leverages a malformed Tap message with mismatched array lengths to trigger a crash in SpringBoard without user interaction.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: iOS (iMessage extension)
No auth needed
Prerequisites: Frida installed · Target's phone number/email · Malformed Tap message file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/HT210353

Scores

CVSS v3 7.5
EPSS 0.0647
EPSS Percentile 92.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-125
Status published
Products (1)
apple/watchos < 5.3
Published Dec 18, 2019
Tracked Since Feb 18, 2026