Microsoft Font Subsetting - DLL Heap Corruption in ComputeFormat4CmapData

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...

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...

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 used in the document where the fonts are embedded. It is used by Windows G...

Microsoft DirectWrite AFDKO - Heap-Based Out-of-Bounds ReadWrite in OpenType Font Handling Due to Empty ROS Strings

Microsoft DirectWrite AFDKO - Heap-Based Out-of-Bounds ReadWrite in OpenType Font Handling Due to Empty ROS Strings -----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font...

Microsoft DirectWrite AFDKO - Interpreter Stack Underflow in OpenType Font Handling Due to Missing CHKUFLOW

Microsoft DirectWrite AFDKO - Interpreter Stack Underflow in OpenType Font Handling Due to Missing CHKUFLOW -----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handlin...

Microsoft DirectWrite AFDKO - Use of Uninitialized Memory While Freeing Resources in var_loadavar

Microsoft DirectWrite AFDKO - Use of Uninitialized Memory While Freeing Resources in varloadavar -----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling library...

Microsoft Windows DirectWrite Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

Microsoft Windows gdiplus Font Parsing Integer Overflow Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

Microsoft Windows gdiplus Font Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

Microsoft DirectWrite / AFDKO - Out-of-Bounds Read in OpenType Font Handling Due to Undefined FontName Index

-----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling library written in C, which provides interfaces for reading and writing Type 1, OpenType, TrueType to some...

Microsoft DirectWrite / AFDKO - Heap-Based Out-of-Bounds Read/Write in OpenType Font Handling Due to Empty ROS Strings

-----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling library written in C, which provides interfaces for reading and writing Type 1, OpenType, TrueType to some...

Microsoft DirectWrite / AFDKO - NULL Pointer Dereferences in OpenType Font Handling While Accessing Empty dynarrays

-----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling library written in C, which provides interfaces for reading and writing Type 1, OpenType, TrueType to some...

Microsoft DirectWrite / AFDKO - Stack Corruption in OpenType Font Handling Due to Negative cubeStackDepth

-----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling library written in C, which provides interfaces for reading and writing Type 1, OpenType, TrueType to some...

Microsoft DirectWrite / AFDKO - Stack Corruption in OpenType Font Handling Due to Negative nAxes

-----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling library written in C, which provides interfaces for reading and writing Type 1, OpenType, TrueType to some...

Microsoft DirectWrite / AFDKO - Stack Corruption in OpenType Font Handling due to Out-of-Bounds cubeStackDepth

----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling library written in C, which provides interfaces for reading and writing Type 1, OpenType, TrueType to some...

Microsoft DirectWrite AFDKO - Heap-Based Buffer Overflow in OpenType Font Handling in readCharset

Microsoft DirectWrite AFDKO - Heap-Based Buffer Overflow in OpenType Font Handling in readCharset -----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling library...

Microsoft DirectWrite AFDKO - Out-of-Bounds Read in OpenType Font Handling Due to Undefined FontName Index

Microsoft DirectWrite AFDKO - Out-of-Bounds Read in OpenType Font Handling Due to Undefined FontName Index -----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling...

Microsoft DirectWrite AFDKO - Stack Corruption in OpenType Font Handling Due to Negative cubeStackDepth

Microsoft DirectWrite AFDKO - Stack Corruption in OpenType Font Handling Due to Negative cubeStackDepth -----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling...

Microsoft DirectWrite AFDKO - Heap-Based Buffer Overflow in OpenType Font Handling in readEncoding

Microsoft DirectWrite AFDKO - Heap-Based Buffer Overflow in OpenType Font Handling in readEncoding -----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling library...

Microsoft DirectWrite AFDKO - Heap-Based Buffer Overflow Due to Integer Overflow in readTTCDirectory

Microsoft DirectWrite AFDKO - Heap-Based Buffer Overflow Due to Integer Overflow in readTTCDirectory -----===== Background =====----- AFDKO Adobe Font Development Kit for OpenType is a set of tools for examining, modifying and building fonts. The core part of this toolset is a font handling libra...