CVE-2018-4367

CRITICAL

iPhone OS < 12.1 - Memory Corruption via Improved Input Validation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-4367. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit targets a vulnerability in AVConference (CVE-2018-4367) by manipulating H264 streams to cause stack corruption, leading to crashes or potential RCE. It requires modifying system libraries and sandbox profiles to send malformed packets during a FaceTime call.

Description

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmacos
https://www.exploit-db.com/exploits/45787

This exploit targets a vulnerability in AVConference (CVE-2018-4367) by manipulating H264 streams to cause stack corruption, leading to crashes or potential RCE. It requires modifying system libraries and sandbox profiles to send malformed packets during a FaceTime call.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: AVConference (macOS 10.13.6, iOS 11.3.1)
No auth needed
Prerequisites: Physical or root access to modify system libraries · Ability to initiate a FaceTime call to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT209192

Scores

CVSS v3 9.8
EPSS 0.0650
EPSS Percentile 92.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
apple/iphone_os < 12.1
Published Apr 03, 2019
Tracked Since Feb 18, 2026