CVE-2007-1841: Ipsec-Tools

Medium severity, CVSS 4.3. EPSS: 2.9% chance of exploitation in the next 30 days.

The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7 allows remote attackers to cause a denial of service (tunnel crash) via crafted (1) DELETE (ISAKMP_NPTYPE_D) and (2) NOTIFY (ISAKMP_NPTYPE_N) messages.

Affected products

• Ipsec-Tools Ipsec-Tools: up to and including 0.6.2

Published 2007-04-10. Last modified 2026-06-16.