CVE-2005-2748: Apple Mac OS X

Low severity, CVSS 2.1. EPSS: 0.3% chance of exploitation in the next 30 days.

The malloc function in the libSystem library in Apple Mac OS X 10.3.9 and 10.4.2 allows local users to overwrite arbitrary files by setting the MallocLogFile environment variable to the target file before running a setuid application.

Affected products

• Apple Mac OS X: version 10.3.9 only; version 10.4.2 only
• Apple Mac OS X Server: version 10.3.9 only; version 10.4.2 only

Published 2005-10-25. Last modified 2026-06-16.