CVE-2003-0431: Ethereal Group Ethereal

High severity, CVSS 10.0. EPSS: 2.3% chance of exploitation in the next 30 days.

The tvb_get_nstringz0 function in Ethereal 0.9.12 and earlier does not properly handle a zero-length buffer size, with unknown consequences.

Affected products

• Ethereal Group Ethereal: up to and including 0.9.12

Published 2003-07-24. Last modified 2026-06-16.