CVE-2003-0429

The OSI dissector in Ethereal 0.9.12 and earlier allows remote attackers to cause a denial of...

7.5 High

The OSI dissector in Ethereal 0.9.12 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via invalid IPv4 or IPv6 prefix lengths, possibly triggering a buffer overflow.

Exploit likelihood

4.75%Down 0.4 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2003-0429
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2003-0429
Updated: 2026-11-02

EUVDEUVD-2003-0423 No score

Record: EUVD-2003-0423
Updated: 2026-11-03

GitHub AdvisoriesGHSA-w8gx-r5wm-gjrw No score

The OSI dissector in Ethereal 0.9.12 and earlier allows remote attackers to cause a denial of...

Record: GHSA-w8gx-r5wm-gjrw
Updated: 2026-11-02

Affected products

ethereal group ethereal

Affected packages

Affected packages
Package	Affected	Fixed
`ethereal` Debian:3.0 From an advisory covering 4 CVEs	before 0.9.4-1woody5	0.9.4-1woody5

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-0429 is a high vulnerability (CVSS 7.5) in Ethereal Group Ethereal, published June 18, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.75%, the 91st percentile. No source names a fixed version.