As per RFC5061 "4.2. New Parameter Types" the add/delete IP address
parameters (0xc001, 0xc002) may not be present in an INIT or INIT-ACK
chunk. They are only allowed to be present in an ASCONF chunk.
This also prevents unbounded recursion while parsing an SCTP packet.
Approved by: so
Security: FreeBSD-SA-26:14.pf
Security: CVE-2026-7164
PR: 294799
Reported by: Igor Gabriel Sousa e Souza
MFC after: 3 days
Sponsored by: Orange Business Services
Kristof Provost
ed0e766f12