VULNERABILITY INTELLIGENCE

CVE-2003-0653

CVSS score5 MEDIUM

EPSS probability1.27%

CISA KEVNot currently listed

Published2003-08-27

Last modified2026-06-16

CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

The OSI networking kernel (sys/netiso) in NetBSD 1.6.1 and earlier does not use a BSD-required "PKTHDR" mbuf when sending certain error responses to the sender of an OSI packet, which allows remote attackers to cause a denial of service (kernel panic or crash) via certain OSI packets.