Unrated severityNVD Advisory· Published Apr 6, 2006· Updated Jun 16, 2026

CVE-2006-1646

Description

The Internet Key Exchange version 1 (IKEv1) implementation (isakmp_agg.c) in the Shoichi Sakane KAME Project racoon, as used by NetBSD 1.6, 2.x before 20060119, certain FreeBSD releases, and possibly other distributions of BSD or Linux operating systems, when running in aggressive mode, allows remote attackers to cause a denial of service (daemon crash) via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.

AI Insight

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

Affected products

Internet Key Exchange/Internet Key Exchange
cpe:2.3:a:internet_key_exchange:internet_key_exchange:1:*:*:*:*:*:*:*
NetBSD/racoonllm-create
Range: <= 2.0 (20060119)

Patches

Vulnerability mechanics

References

secunia.com/advisories/19463nvdVendor Advisory
ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-003.txt.ascnvd
mail-index.netbsd.org/source-changes/2006/01/19/0017.htmlnvd
www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp/nvd
www.niscc.gov.uk/niscc/docs/re-20051114-01014.pdfnvd

News mentions

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