CVE-2004-0257

MediumCVSS 5.0/10Last modified Jun 16, 2026

Description

OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service (crash) by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port.

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected software

No affected versions have been published.

Timeline

Published
Nov 23, 2004
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2004-0257: Medium severity, CVSS 5.0 | Vulnix