Unrated severityNVD Advisory· Published May 4, 2004· Updated Jun 16, 2026

CVE-2004-0221

Description

isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service (crash) via an ISAKMP packet with a delete payload containing a large number of SPIs, which triggers an out-of-bounds read error, as demonstrated by the Striker ISAKMP Protocol Test Suite.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

OpenBSD/OpenBSD
cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*
Range: <=3.4
OpenBSD/isakmpdllm-fuzzy
Range: <=3.4

Patches

Vulnerability mechanics

References

marc.infonvdMailing ListThird Party Advisory
www.kb.cert.org/vuls/id/524497nvdThird Party AdvisoryUS Government Resource
www.openbsd.org/errata.htmlnvdProductVendor Advisory
www.securityfocus.com/bid/9907nvdBroken LinkThird Party AdvisoryVDB Entry
www.securitytracker.com/alerts/2004/Mar/1009468.htmlnvdBroken LinkThird Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com/vulnerabilities/15630nvdThird Party AdvisoryVDB Entry
www.rapid7.com/advisories/R7-0018.htmlnvdBroken Link

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000