CVE-2004-0257

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2004-0257
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2004-11-23 05:00:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionOpenBSD 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Netbsd Netbsd 1.6 All All All
Operating System Netbsd Netbsd 1.6.1 All All All
Operating System Openbsd Openbsd 3.0 All All All
Operating System Openbsd Openbsd 3.1 All All All
Operating System Openbsd Openbsd 3.2 All All All
Operating System Openbsd Openbsd 3.3 All All All
Operating System Openbsd Openbsd 3.4 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Remote openbsd crash with ip6, yet still openbsd much better than windows af854a3a-2127-422b-91ae-364da2661108 www.guninski.com
'OpenBSD IPv6 remote kernel crash' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
[Full-Disclosure] Remote openbsd crash with ip6, yet still openbsd much better than windows af854a3a-2127-422b-91ae-364da2661108 lists.grok.org.uk
CVS log for src/sys/netinet6/ip6_output.c af854a3a-2127-422b-91ae-364da2661108 www.openbsd.org
BSD ICMPV6 Handling Routines Remote Denial Of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Patch, Vendor Advisory
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-002.txt.asc af854a3a-2127-422b-91ae-364da2661108 ftp.netbsd.org
www.osvdb.org/3825 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report