Microsoft Font Subsetting - DLL Double Free in MergeFormat12Cmap MakeFormat12MergedGlyphList

Microsoft Font Subsetting - DLL Double Free in MergeFormat12Cmap MakeFormat12MergedGlyphList -----===== 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 t...

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

Microsoft Font Subsetting - DLL Heap-Based Out-of-Bounds read in FixSbitSubTableFormat1

-----===== 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 Font Subsetting - DLL Heap Corruption in FixSbitSubTables

Microsoft Font Subsetting - DLL Heap Corruption in FixSbitSubTables -----===== 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 i...

Microsoft Font Subsetting - DLL Heap Corruption in MakeFormat12MergedGlyphList

-----===== 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 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 - Stack-Based Buffer Overflow in do_set_weight_vector_cube for Large 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 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...

Sandbox Restrictions Bypass

The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Development Kit. An out-of-bounds write flaw was found in the JPEG image format decoder in the AWT component in OpenJDK. A specially crafted JPEG image could cause a Java application to...

Denial Of Service (DoS)

libxfont is vulnerable to denial of service DoS attacks. The vulnerability exists as the bdfReadProperties function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 allows remote authenticated users to cause a denial of service out-of-bounds write and crash or possibly...

Microsoft Windows Font Subsetting Integer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code 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 FontSub.dl...

Buffer overflow

While loading dynamic fonts, a buffer overflow may occur if the number of segments in the font file is out of range in Snapdragon Mobile and Snapdragon Wear...

Memory corruption

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "FontParser" component. It allows remote attackers to execute arbitrary code or cause a denial o...

CVE-2018-4211

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "FontParser" component. It allows remote attackers to execute arbitrary code or cause a denial o...

The vulnerability of the Windows operating system’s font library, allowing a hacker to execute arbitrary code

The vulnerability of the Windows operating system’s font library relates to the improper handling of embedded fonts. Exploiting this vulnerability allows a malicious actor to execute arbitrary code using a specially crafted font file from a remote location...

The vulnerability of the Windows operating system’s font library, allowing a hacker to execute arbitrary code

The vulnerability of the Windows operating system’s font library relates to the improper handling of embedded fonts. Exploiting this vulnerability allows a malicious actor to execute arbitrary code using a specially crafted font file from a remote location...

Denial Of Service (DoS) Through Null Pointer Dereference

libcairo.so is vulnerable to denial of service DoS attacks. A malicious user can pass a font file to the application to cause a null pointer dereference that can crash the application...

Updated freetype2 packages fix security vulnerability

An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the InsGETVARIATION function within ttinterp.c could lead to DoS via a crafted font file CVE-2018-6942...