CVE-2002-1490: Netbsd

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

NetBSD 1.4 through 1.6 beta allows local users to cause a denial of service (kernel panic) via a series of calls to the TIOCSCTTY ioctl, which causes an integer overflow in a structure counter and sets the counter to zero, which frees memory that is still in use by other processes.

Affected products

• Netbsd Netbsd: version 1.4 only; version 1.4.1 only; version 1.4.2 only; version 1.4.3 only; version 1.5 only; version 1.5.1 only; …

Published 2003-04-02. Last modified 2026-06-16.