CVE-2015-6995

Apple iOS < 9.1 and OS X < 10.11.1 - Remote Code Execution via Disk Images Component

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2015-6995. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit leverages an integer overflow in IOHDIXControllerUserClient::convertClientBuffer to trigger an undersized kalloc allocation, leading to a kernel heap overflow. The PoC attempts to exploit this by passing a size of 0xffffffff, causing an overflow and potentially allowing arbitrary kernel memory corruption.

Description

The Disk Images component in Apple iOS before 9.1 and OS X before 10.11.1 misparses images, which allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted app.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · cdososx
https://www.exploit-db.com/exploits/39381

This exploit leverages an integer overflow in IOHDIXControllerUserClient::convertClientBuffer to trigger an undersized kalloc allocation, leading to a kernel heap overflow. The PoC attempts to exploit this by passing a size of 0xffffffff, causing an overflow and potentially allowing arbitrary kernel memory corruption.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Theoretical
Target: Apple macOS IOHDIXController (likely affecting multiple versions)
No auth needed
Prerequisites: Access to a vulnerable macOS system with the IOHDIXController service
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html
Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.html
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205375
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205370
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/77263
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1033929

Scores

EPSS 0.1158
EPSS Percentile 93.8%

Details

CWE
CWE-119
Status published
Products (2)
apple/iphone_os < 9.0.2
apple/mac_os_x < 10.11.0
Published Oct 23, 2015
Tracked Since Feb 18, 2026