OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.2.1-9ubuntu0.3+esm1", "binary_name": "libslp-dev" }, { "binary_version": "1.2.1-9ubuntu0.3+esm1", "binary_name": "libslp1" }, { "binary_version": "1.2.1-9ubuntu0.3+esm1", "binary_name": "openslp-doc" }, { "binary_version": "1.2.1-9ubuntu0.3+esm1", "binary_name": "slpd" }, { "binary_version": "1.2.1-9ubuntu0.3+esm1", "binary_name": "slptool" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.2.1-11ubuntu0.16.04.2", "binary_name": "libslp-dev" }, { "binary_version": "1.2.1-11ubuntu0.16.04.2", "binary_name": "libslp1" }, { "binary_version": "1.2.1-11ubuntu0.16.04.2", "binary_name": "libslp1-dbgsym" }, { "binary_version": "1.2.1-11ubuntu0.16.04.2", "binary_name": "openslp-doc" }, { "binary_version": "1.2.1-11ubuntu0.16.04.2", "binary_name": "slpd" }, { "binary_version": "1.2.1-11ubuntu0.16.04.2", "binary_name": "slpd-dbgsym" }, { "binary_version": "1.2.1-11ubuntu0.16.04.2", "binary_name": "slptool" }, { "binary_version": "1.2.1-11ubuntu0.16.04.2", "binary_name": "slptool-dbgsym" } ] }