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.
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{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "1.7.2-1ubuntu1", "binary_name": "gir1.2-harfbuzz-0.0" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz-bin" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz-bin-dbgsym" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz-dev" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz-doc" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz-gobject0" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz-gobject0-dbgsym" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz-icu0" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz-icu0-dbgsym" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz0-udeb" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz0b" }, { "binary_version": "1.7.2-1ubuntu1", "binary_name": "libharfbuzz0b-dbgsym" } ] }