HarfBuzz before 1.0.4 allows remote attackers to cause a denial of service (invalid read of two bytes and application crash) because of GPOS and GSUB table mishandling, related to hb-ot-layout-gpos-table.hh, hb-ot-layout-gsub-table.hh, and hb-ot-layout-gsubgpos-private.hh.
{
"binaries": [
{
"binary_version": "1.0.1-1ubuntu0.1+esm1",
"binary_name": "gir1.2-harfbuzz-0.0"
},
{
"binary_version": "1.0.1-1ubuntu0.1+esm1",
"binary_name": "libharfbuzz-bin"
},
{
"binary_version": "1.0.1-1ubuntu0.1+esm1",
"binary_name": "libharfbuzz-dev"
},
{
"binary_version": "1.0.1-1ubuntu0.1+esm1",
"binary_name": "libharfbuzz-gobject0"
},
{
"binary_version": "1.0.1-1ubuntu0.1+esm1",
"binary_name": "libharfbuzz-icu0"
},
{
"binary_version": "1.0.1-1ubuntu0.1+esm1",
"binary_name": "libharfbuzz0b"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}