CVE-2009-1717: Apple Mac OS X

Medium severity, CVSS 6.8. EPSS: 3% chance of exploitation in the next 30 days.

Integer overflow in Terminal in Apple Mac OS X 10.5 before 10.5.7 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted size value in a CSI[4 xterm resize escape sequence that triggers a heap-based buffer overflow.

Affected products

• Apple Mac OS X: version 10.5 only; version 10.5.0 only; version 10.5.1 only; version 10.5.2 only; version 10.5.3 only; version 10.5.4 only; …
• Apple Mac OS X Server: version 10.5 only; version 10.5.0 only; version 10.5.1 only; version 10.5.2 only; version 10.5.3 only; version 10.5.4 only; …

Published 2009-06-05. Last modified 2026-06-16.