CVE-2003-1013: Ethereal

High severity, CVSS 7.5. EPSS: 2.7% chance of exploitation in the next 30 days.

The Q.931 dissector in Ethereal before 0.10.0, and Tethereal, allows remote attackers to cause a denial of service (crash) via a malformed Q.931, which triggers a null dereference.

Affected products

• Ethereal Ethereal: before 0.10.0 (fixed in 0.10.0)

Published 2004-01-05. Last modified 2026-06-16.