CVE-2003-0432

Ethereal 0.9.12 and earlier does not handle certain strings properly, with unknown consequences,...

10.0 High

Ethereal 0.9.12 and earlier does not handle certain strings properly, with unknown consequences, in the (1) BGP, (2) WTP, (3) DNS, (4) 802.11, (5) ISAKMP, (6) WSP, (7) CLNP, (8) ISIS, and (9) RMI dissectors.

Exploit likelihood

2.26%Up 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 10.0

Record: CVE-2003-0432
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Updated: 2026-11-02

CVE List No score

Record: CVE-2003-0432
Updated: 2026-11-02

EUVDEUVD-2003-0426 No score

Record: EUVD-2003-0426
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p845-4v57-x54v No score

Ethereal 0.9.12 and earlier does not handle certain strings properly, with unknown consequences,...

Record: GHSA-p845-4v57-x54v
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-2003-0432 is a high vulnerability (CVSS 10.0) 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 2.26%, the 83rd percentile. No source names a fixed version.