CVE-2003-0453: Ehud Gavron Traceroute-Nanog

High severity, CVSS 10.0. EPSS: 2.8% chance of exploitation in the next 30 days.

traceroute-nanog 6.1.1 allows local users to overwrite unauthorized memory and possibly execute arbitrary code via certain "nprobes" and "max_ttl" arguments that cause an integer overflow that is used when allocating memory, which leads to a buffer overflow.

Affected products

Published 2003-08-07. Last modified 2026-06-16.