freetype2:cff-render-ftengine: Invalid-builtin-use in FT_Outline_Get_Orientation

Detailed Report: https://oss-fuzz.com/testcase?key=5735696199581696 Project: freetype2 Fuzzing Engine: libFuzzer Fuzz Target: cff-render-ftengine Job Type: libfuzzerubsanfreetype2 Platform Id: linux Crash Type: Invalid-builtin-use Crash Address: Crash State: FTOutlineGetOrientation...

Adobe Acrobat Reader DC for Windows - Use of Uninitialized Pointer due to Malformed OTF Font (CFF Table)

We have observed the following access violation exception in the latest version of Adobe Acrobat Reader DC for Windows, when opening a malformed PDF file: --- cut --- 5708.4564: Access violation - code c0000005 first chance First chance exceptions are reported before any exception handling. This...

Adobe Acrobat Reader DC for Windows - Use of Uninitialized Pointer due to Malformed OTF Font (CFF Table)

Adobe Acrobat Reader DC for Windows - Use of Uninitialized Pointer due to Malformed OTF Font CFF Table We have observed the following access violation exception in the latest version of Adobe Acrobat Reader DC for Windows, when opening a malformed PDF file: --- cut --- 5708.4564: Access violation...

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 While Processing CFF Blend DICT Operator

Microsoft DirectWrite AFDKO - Stack Corruption in OpenType Font Handling While Processing CFF Blend DICT Operator -----===== 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 - Stack Corruption in OpenType Font Handling While Processing CFF Blend DICT Operator

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

harfbuzz/hb-subset-fuzzer: Use-of-uninitialized-value in hb_vector_t<unsigned char, 1u>::resize

Project: https://github.com/harfbuzz/harfbuzz.git Detailed report: https://oss-fuzz.com/testcase?key=5711849555755008 Project: harfbuzz Fuzzer: libFuzzerharfbuzzhb-subset-fuzzer Fuzz target binary: hb-subset-fuzzer Job Type: libfuzzermsanharfbuzz Platform Id: linux Crash Type:...

harfbuzz/hb-subset-fuzzer: Use-of-uninitialized-value in CFF::InterpEnv<CFF::Number>::fetch_op

Detailed report: https://oss-fuzz.com/testcase?key=5756332481708032 Project: harfbuzz Fuzzer: libFuzzerharfbuzzhb-subset-fuzzer Fuzz target binary: hb-subset-fuzzer Job Type: libfuzzermsanharfbuzz Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State:...

harfbuzz/hb-shape-fuzzer: Use-of-uninitialized-value in CFF::Charset1_2<OT::IntType<unsigned char, 1u> >::get_glyph

Project: https://github.com/harfbuzz/harfbuzz.git Detailed report: https://oss-fuzz.com/testcase?key=5632586529898496 Project: harfbuzz Fuzzer: libFuzzerharfbuzzhb-shape-fuzzer Fuzz target binary: hb-shape-fuzzer Job Type: libfuzzermsanharfbuzz Platform Id: linux Crash Type:...

harfbuzz/hb-subset-fuzzer: Global-buffer-overflow in CFF::BlendArg::set_blends

Project: https://github.com/harfbuzz/harfbuzz.git Detailed report: https://oss-fuzz.com/testcase?key=5710107829075968 Project: harfbuzz Fuzzer: aflharfbuzzhb-subset-fuzzer Fuzz target binary: hb-subset-fuzzer Job Type: aflasanharfbuzz Platform Id: linux Crash Type: Global-buffer-overflow READ 8...

harfbuzz/hb-subset-fuzzer: Heap-buffer-overflow in CFF::CFF2VariationStore::serialize

Project: https://github.com/harfbuzz/harfbuzz.git Detailed report: https://oss-fuzz.com/testcase?key=5660711141769216 Project: harfbuzz Fuzzer: libFuzzerharfbuzzhb-subset-fuzzer Fuzz target binary: hb-subset-fuzzer Job Type: libfuzzerasanharfbuzz Platform Id: linux Crash Type: Heap-buffer-overflo...

harfbuzz/hb-shape-fuzzer: Global-buffer-overflow in CFF::BlendArg::set_blends

Project: https://github.com/harfbuzz/harfbuzz.git Detailed report: https://oss-fuzz.com/testcase?key=5686369209286656 Project: harfbuzz Fuzzer: libFuzzerharfbuzzhb-shape-fuzzer Fuzz target binary: hb-shape-fuzzer Job Type: libfuzzerasanharfbuzz Platform Id: linux Crash Type: Global-buffer-overflo...

freetype2/cff-ftengine: Crash in cff_decoder_parse_charstrings

Detailed report: https://oss-fuzz.com/testcase?key=5709686410575872 Project: freetype2 Fuzzer: libFuzzerfreetype2cff-ftengine Fuzz target binary: cff-ftengine Job Type: libfuzzerasanfreetype2 Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x7fa03f210910 Crash State:...

freetype2/cff: Heap-buffer-overflow in tt_face_palette_set

Detailed report: https://oss-fuzz.com/testcase?key=5745733882347520 Project: freetype2 Fuzzer: aflfreetype2cff Fuzz target binary: cff Job Type: aflasanfreetype2 Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x617000000a74 Crash State: ttfacepaletteset ttfaceloadcpal...

freetype2/cff-render: Heap-buffer-overflow in tt_face_palette_set

Detailed report: https://oss-fuzz.com/testcase?key=5278718313365504 Project: freetype2 Fuzzer: aflfreetype2cff-render Fuzz target binary: cff-render Job Type: aflasanfreetype2 Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x61f0000028d8 Crash State: ttfacepaletteset...

freetype2/cff: Heap-buffer-overflow in cff_parser_run

Detailed report: https://oss-fuzz.com/testcase?key=5731555572973568 Project: freetype2 Fuzzer: libFuzzerfreetype2cff Fuzz target binary: cff Job Type: libfuzzerasanfreetype2 Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0x6080000005f3 Crash State: cffparserrun...

freetype2/cff-ftengine: Stack-buffer-overflow in cff_parser_run

Detailed report: https://oss-fuzz.com/testcase?key=5723673720782848 Project: freetype2 Fuzzer: aflfreetype2cff-ftengine Fuzz target binary: cff-ftengine Job Type: aflasanfreetype2 Platform Id: linux Crash Type: Stack-buffer-overflow READ 8 Crash Address: 0x7fa252831e10 Crash State: cffparserrun...

freetype2/cff: Heap-buffer-overflow in cff_get_cid_from_glyph_index

Detailed report: https://oss-fuzz.com/testcase?key=5731147760795648 Project: freetype2 Fuzzer: libFuzzerfreetype2cff Fuzz target binary: cff Job Type: libfuzzerasanfreetype2 Platform Id: linux Crash Type: Heap-buffer-overflow READ 2 Crash Address: 0x60300000089a Crash State: cffgetcidfromglyphind...

Poppler null pointer dereference vulnerability (CNVD-2017-33321)

Poppler is based on xpdf-3.0 code base PDF rendering library. Poppler in the FoFiTrueType.cc in the FoFiTrueType::getCFFBlock function has a null pointer dereference vulnerability due to a lack of validation of table pointers, an attacker can be exploited to launch a denial of service attack...

Windows Kernel ATMFD.DLL out-of-bounds read due to malformed Name INDEX in the CFF table(CVE-2017-8483)

We have encountered a Windows kernel crash in the ATMFD.DLL OpenType driver while processing a corrupted OTF font file, see below: --- DRIVERPAGEFAULTBEYONDENDOFALLOCATION d6 N bytes of memory was allocated and more than N bytes are being referenced. This cannot be protected by try-except. When...