186 matches found
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...
Microsoft Windows Kernel - ATMFD.DLL Out-of-Bounds Read due to Malformed Name INDEX in the CFF Table
Microsoft Windows Kernel - ATMFD.DLL Out-of-Bounds Read due to Malformed Name INDEX in the CFF Table Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1213 We have encountered a Windows kernel crash in the ATMFD.DLL OpenType driver while processing a corrupted OTF font file, see...
Microsoft Windows Kernel - 'ATMFD.DLL' Out-of-Bounds Read due to Malformed Name INDEX in the CFF Table
Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1213 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 byt...
Out-of-Bounds Write
freetype is vulnerable to an out-of-bounds write. A malicious user can pass a cff font file to the application to cause a heap-based buffer overflow that can lead to an out-of-bounds write. This can cause the application to crash or overwrite values in the heap...
FreeType 2 'cff_parser_run' function boundary write heap buffer overflow vulnerability
FreeType 2 is a C-based , portable open source font engine library developed by the FreeType team , which can be used to rasterize and map characters into bitmaps and provide support for other font-related businesses . A heap-based buffer overflow vulnerability exists in the 'cffparserrun' functi...
