CVE-2016-10396: Ipsec-Tools

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

The racoon daemon in IPsec-Tools 0.8.2 contains a remotely exploitable computational-complexity attack when parsing and storing ISAKMP fragments. The implementation permits a remote attacker to exhaust computational resources on the remote endpoint by repeatedly sending ISAKMP fragment packets in a particular order such that the worst-case computational complexity is realized in the algorithm utilized to determine if reassembly of the fragments can take place.

Affected products

• Ipsec-Tools Ipsec-Tools: version 0.8.2 only

Published 2017-07-06. Last modified 2026-06-17.