Nullsoft Scriptable Install System (NSIS) before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files. This allows a local attack in which either a plugin or the uninstaller can be replaced by a Trojan horse program.
{
"binaries": [
{
"binary_version": "2.46-7ubuntu0.1~esm1",
"binary_name": "nsis"
},
{
"binary_version": "2.46-7ubuntu0.1~esm1",
"binary_name": "nsis-common"
},
{
"binary_version": "2.46-7ubuntu0.1~esm1",
"binary_name": "nsis-pluginapi"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}