In drachtio-server 0.8.18, /var/log/drachtio has mode 0777 and drachtio.log has mode 0666.

drachtio-server 0.8.18 has a request-handler.cpp event_cb use-after-free for any request.

drachtio-server before 0.8.19 has a heap-based buffer over-read via a long Request-URI in an INVITE request.

An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.

An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that leads to a failure of the libsofia-sip-ua/tport/tport.c self assertion.

An issue was discovered in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service (daemon crash) via a long message in a TCP request that leads to std::length_error.