VULNERABILITY INTELLIGENCE
CVE-2004-0257
CVSS score5 MEDIUM
EPSS probability2.47%
CISA KEVNot currently listed
Published2004-11-23
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
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.