OpenJDK: Missing glyph bitmap image dimension check in FreetypeFontScaler (2D, 8225286)

Vulnerability in the Java SE product of Oracle Java SE component: 2D. Supported versions that are affected are Java SE: 11.0.4 and 13. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE. Successful attacks of this...

Denial Of Service (DoS)

OpenJDK is vulnerable to denial of service DoS. The attack exists because it does not perform glyph bitmap image dimension check in FreetypeFontScaler...

OpenJDK: NULL pointer dereference in DrawGlyphList (2D, 8222690)

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: 2D. Supported versions that are affected are Java SE: 7u231, 8u221, 11.0.4 and 13; Java SE Embedded: 8u221. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple...

Xpdf CVE-2019-16115 Buffer Underflow Vulnerability

Description Xpdf is prone to a buffer-underflow vulnerability because it fails to perform adequate boundary checks on user-supplied data. An attacker can exploit this issue to cause denial-of-service conditions. Due to the nature of this issue, arbitrary code execution may be possible but this ha...

Microsoft DirectWrite / AFDKO - Multiple Bugs in OpenType Font Handling Related to the _post_ Table

-----===== 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...

OpenJDK: Font layout engine out of bounds access setCurrGlyphID() (2D, 8219022)

Vulnerability in the Java SE component of Oracle Java SE subcomponent: 2D. Supported versions that are affected are Java SE: 7u211 and 8u202. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE. Successful attacks of...

DEBIAN-CVE-2017-7777

Use of uninitialized memory in Graphite2 library in Firefox before 54 in graphite2::GlyphCache::Loader::readglyph function...

Oracle Java Runtime Environment - Heap Out-of-Bounds Read During TTF Font Rendering in OpenTypeLayoutEngine::adjustGlyphPositions

Oracle Java Runtime Environment - Heap Out-of-Bounds Read During TTF Font Rendering in OpenTypeLayoutEngine::adjustGlyphPositions A heap-based out-of-bounds read was observed in Oracle Java Runtime Environment version 8u202 latest at the time of this writing while fuzz-testing the processing of...

UBUNTU-CVE-2015-9274

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...

PT-2018-4583 · Harfbuzz +1 · Harfbuzz +1

Name of the Vulnerable Software and Affected Versions: HarfBuzz versions prior to 1.0.4 Description: The issue allows remote attackers to cause a denial of service, resulting in an invalid read of two bytes and application crash. This is due to mishandling of GPOS and GSUB tables, related to file...

Artifex MuPDF Buffer Overflow Vulnerability

Artifex MuPDF is a free, lightweight PDF reader from Artifex Software. A buffer overflow vulnerability exists in the 'fzrunt3glyph' function in the fitz/font.c file in Artifex MuPDF version 1.14.0. An attacker can exploit this vulnerability to cause an impact on usability...

PT-2018-14571 · Artifex · Mupdf

Name of the Vulnerable Software and Affected Versions: Artifex MuPDF version 1.14.0 Description: The issue is related to an out-of-bounds read in the fz run t3 glyph function located in fitz/font.c. This has been demonstrated using the mutool utility. Recommendations: For Artifex MuPDF version...

DEBIAN-CVE-2017-5447

An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox 53...

CVE-2017-5447

An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox 53...

Font Steganography

Interesting research in steganography at the font level...

[SECURITY] Fedora 27 Update: freetype-2.8-8.fc27

The FreeType engine is a free and portable font rendering engine, developed to provide advanced font support for a variety of platforms and environments. FreeType is a library which can open and manages font files as well as efficiently load, hint and render individual glyphs. FreeType is not a...

DEBIAN-CVE-2017-14989

A use-after-free in RenderFreetype in MagickCore/annotate.c in ImageMagick 7.0.7-4 Q16 allows attackers to crash the application via a crafted font file, because the FTDoneGlyph function from FreeType 2 is called at an incorrect place in the ImageMagick code...

UBUNTU-CVE-2017-14989

A use-after-free in RenderFreetype in MagickCore/annotate.c in ImageMagick 7.0.7-4 Q16 allows attackers to crash the application via a crafted font file, because the FTDoneGlyph function from FreeType 2 is called at an incorrect place in the ImageMagick code...

MuPDF Fitz library font glyph scaling Code Execution Vulnerability(CVE-2016-8728)

Summary An exploitable heap out of bounds write vulnerability exists in the Fitz graphical library part of the MuPDF renderer. A specially crafted PDF file can cause a out of bounds write resulting in heap metadata and sensitive process memory corruption leading to potential code execution. Victi...

CVE-2017-9619

The xpstruecallbackglyphname function in xps/xpsttf.c in Artifex Ghostscript GhostXPS 9.21 allows remote attackers to cause a denial of service Segmentation Violation and application crash via a crafted file...