Microsoft Font Subsetting - DLL Returning a Dangling Pointer via MergeFontPackage

Microsoft Font Subsetting - DLL Returning a Dangling Pointer via MergeFontPackage -----===== Background =====----- The Microsoft Font Subsetting DLL fontsub.dll is a default Windows helper library for subsetting TTF fonts; i.e. converting fonts to their more compact versions based on the specific...

Microsoft Font Subsetting - DLL Heap-Based Out-of-Bounds read in GetGlyphIdx

Microsoft Font Subsetting - DLL Heap-Based Out-of-Bounds read in GetGlyphIdx -----===== Background =====----- The Microsoft Font Subsetting DLL fontsub.dll is a default Windows helper library for subsetting TTF fonts; i.e. converting fonts to their more compact versions based on the specific glyp...

Microsoft Font Subsetting - DLL Heap Corruption in ReadTableIntoStructure

Microsoft Font Subsetting - DLL Heap Corruption in ReadTableIntoStructure -----===== Background =====----- The Microsoft Font Subsetting DLL fontsub.dll is a default Windows helper library for subsetting TTF fonts; i.e. converting fonts to their more compact versions based on the specific glyphs...

Microsoft Font Subsetting - DLL Heap-Based Out-of-Bounds read in WriteTableFromStructure

Microsoft Font Subsetting - DLL Heap-Based Out-of-Bounds read in WriteTableFromStructure -----===== Background =====----- The Microsoft Font Subsetting DLL fontsub.dll is a default Windows helper library for subsetting TTF fonts; i.e. converting fonts to their more compact versions based on the...

Microsoft Font Subsetting - DLL Heap Corruption in ReadAllocFormat12CharGlyphMapList

Microsoft Font Subsetting - DLL Heap Corruption in ReadAllocFormat12CharGlyphMapList -----===== Background =====----- The Microsoft Font Subsetting DLL fontsub.dll is a default Windows helper library for subsetting TTF fonts; i.e. converting fonts to their more compact versions based on the...

Microsoft Font Subsetting - DLL Heap Corruption in ComputeFormat4CmapData Vulnerability

Microsoft Font Subsetting - DLL Heap Corruption in ComputeFormat4CmapData -----===== Background =====----- The Microsoft Font Subsetting DLL fontsub.dll is a default Windows helper library for subsetting TTF fonts; i.e. converting fonts to their more compact versions based on the specific glyphs...