EIP-2026-104562

PRE-CVE

Apple Mac OSX 10.x - SecurityServer Daemon Local Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104562. PoCs published by Matt Burnett.

AI-analyzed exploit summary This exploit triggers a denial of service in Apple MacOS X SecurityServer by passing an excessively large password length (0xFFFFFFFF) to SecKeychainUnlock(), causing a memory copy operation to crash the server. The potential for arbitrary code execution is unconfirmed but theorized due to memory corruption.

Description

Apple Mac OSX 10.x - SecurityServer Daemon Local Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by Matt Burnett · cdososx
https://www.exploit-db.com/exploits/23505

This exploit triggers a denial of service in Apple MacOS X SecurityServer by passing an excessively large password length (0xFFFFFFFF) to SecKeychainUnlock(), causing a memory copy operation to crash the server. The potential for arbitrary code execution is unconfirmed but theorized due to memory corruption.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Apple MacOS X SecurityServer (version unspecified)
No auth needed
Prerequisites: Local access to the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026