The Open Connectivity Foundation UPnP specification before 2020-04-17 does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_name": "hostapd", "binary_version": "1:2.1-0ubuntu1.7+esm3" }, { "binary_name": "hostapd-dbgsym", "binary_version": "1:2.1-0ubuntu1.7+esm3" }, { "binary_name": "wpagui", "binary_version": "2.1-0ubuntu1.7+esm3" }, { "binary_name": "wpagui-dbgsym", "binary_version": "2.1-0ubuntu1.7+esm3" }, { "binary_name": "wpasupplicant", "binary_version": "2.1-0ubuntu1.7+esm3" }, { "binary_name": "wpasupplicant-dbgsym", "binary_version": "2.1-0ubuntu1.7+esm3" }, { "binary_name": "wpasupplicant-udeb", "binary_version": "2.1-0ubuntu1.7+esm3" }, { "binary_name": "wpasupplicant-udeb-dbgsym", "binary_version": "2.1-0ubuntu1.7+esm3" } ], "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "hostapd", "binary_version": "1:2.4-0ubuntu6.7" }, { "binary_name": "hostapd-dbgsym", "binary_version": "1:2.4-0ubuntu6.7" }, { "binary_name": "wpagui", "binary_version": "2.4-0ubuntu6.7" }, { "binary_name": "wpagui-dbgsym", "binary_version": "2.4-0ubuntu6.7" }, { "binary_name": "wpasupplicant", "binary_version": "2.4-0ubuntu6.7" }, { "binary_name": "wpasupplicant-dbgsym", "binary_version": "2.4-0ubuntu6.7" }, { "binary_name": "wpasupplicant-udeb", "binary_version": "2.4-0ubuntu6.7" }, { "binary_name": "wpasupplicant-udeb-dbgsym", "binary_version": "2.4-0ubuntu6.7" } ], "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "hostapd", "binary_version": "2:2.6-15ubuntu2.7" }, { "binary_name": "hostapd-dbgsym", "binary_version": "2:2.6-15ubuntu2.7" }, { "binary_name": "wpagui", "binary_version": "2:2.6-15ubuntu2.7" }, { "binary_name": "wpagui-dbgsym", "binary_version": "2:2.6-15ubuntu2.7" }, { "binary_name": "wpasupplicant", "binary_version": "2:2.6-15ubuntu2.7" }, { "binary_name": "wpasupplicant-dbgsym", "binary_version": "2:2.6-15ubuntu2.7" }, { "binary_name": "wpasupplicant-udeb", "binary_version": "2:2.6-15ubuntu2.7" } ], "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "gir1.2-gupnp-1.2", "binary_version": "1.2.3-0ubuntu0.20.04.1" }, { "binary_name": "libgupnp-1.2-0", "binary_version": "1.2.3-0ubuntu0.20.04.1" }, { "binary_name": "libgupnp-1.2-0-dbgsym", "binary_version": "1.2.3-0ubuntu0.20.04.1" }, { "binary_name": "libgupnp-1.2-dev", "binary_version": "1.2.3-0ubuntu0.20.04.1" }, { "binary_name": "libgupnp-doc", "binary_version": "1.2.3-0ubuntu0.20.04.1" } ], "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "hostapd", "binary_version": "2:2.9-1ubuntu4.2" }, { "binary_name": "hostapd-dbgsym", "binary_version": "2:2.9-1ubuntu4.2" }, { "binary_name": "wpagui", "binary_version": "2:2.9-1ubuntu4.2" }, { "binary_name": "wpagui-dbgsym", "binary_version": "2:2.9-1ubuntu4.2" }, { "binary_name": "wpasupplicant", "binary_version": "2:2.9-1ubuntu4.2" }, { "binary_name": "wpasupplicant-dbgsym", "binary_version": "2:2.9-1ubuntu4.2" }, { "binary_name": "wpasupplicant-udeb", "binary_version": "2:2.9-1ubuntu4.2" } ], "ubuntu_priority": "medium" }