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Files from mjurczyk

Email addressmjurczyk at google.com
First Active2015-08-19
Last Active2023-09-08
Microsoft DirectWrite sfac_GetSbitBitmap Out-Of-Bounds Read
Posted Sep 11, 2019
Authored by Google Security Research, mjurczyk

Microsoft DirectWrite suffers from an out-of-bounds read in sfac_GetSbitBitmap while processing TTF fonts.

tags | exploit
advisories | CVE-2019-1244
SHA-256 | aa2d5d7be90b6f28c281bef6187c775b1dfc2408d2066e1d3ea3a0b1eeca0a0e
Microsoft DirectWrite SplicePixel Invalid Read
Posted Sep 11, 2019
Authored by Google Security Research, mjurczyk

Microsoft DirectWrite suffers from an invalid read in SplicePixel while processing OTF fonts.

tags | exploit
advisories | CVE-2019-1245
SHA-256 | 4d40188c13a19d3f86978a4337818897a6919c2d01372f9e540c97358af7ad4a
Adobe Acrobat Reader DC For Windows JP2 Stream Double-Free
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows suffers from a double-free vulnerability due to a malformed JP2 stream.

tags | exploit
systems | windows
advisories | CVE-2019-8044
SHA-256 | 9a967f14a6f1e3f92d0430b0da8175a9443a1f6bb06f95f6c893f913cb1083e2
Adobe Acrobat Reader DC For Windows Uninitialized Pointer free()
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows could trigger a free() of an uninitialized pointer due to malformed JBIG2Globals streams.

tags | exploit
systems | windows
advisories | CVE-2019-8045
SHA-256 | ae0772b359ffab02768fae4abf48d5cc1c91b6eaad1a3383adae69d9a008fa93
Adobe Acrobat Reader DC For Windows JP2 Stream Buffer Overflow
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows suffers from a heap-based buffer overflow vulnerability due to a malformed JP2 stream.

tags | exploit, overflow
systems | windows
advisories | CVE-2019-8046
SHA-256 | ca5fb967b8533f425833f828810de3fff47fe2a53fe196cfbc6b090a8340c57a
Adobe Acrobat Reader DC For Windows Malformed TTF Font Memory Corruption
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows suffers from a heap-based memory corruption vulnerability due to a malformed TTF font.

tags | exploit
systems | windows
advisories | CVE-2019-8042
SHA-256 | 9a012aeffb26f11bea24c9661104007ea7239842aca21792a85c6ed2375496d5
Adobe Acrobat Reader DC For Windows CoolType.dll Buffer Overflow
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows suffers from a heap-based buffer overflow vulnerability in CoolType.dll.

tags | exploit, overflow
systems | windows
advisories | CVE-2019-8041
SHA-256 | 1b5b76abcb554728288137255ffb9b4f6af6fedf3c7573608eff03d000a1022d
Adobe Acrobat Reader DC For Windows Malformed Font Stream Buffer Overflow
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows suffers from a heap-based buffer overflow vulnerability due to a malformed font stream.

tags | exploit, overflow
systems | windows
advisories | CVE-2019-8049
SHA-256 | 6acf568071e768c56b5ef148f7730bf5687a9a244c119d138bde930bfbc158e0
Adobe Acrobat Reader DC For Windows Malformed Font Stream Buffer Overflow
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows suffers from a static buffer overflow vulnerability due to a malformed font stream.

tags | exploit, overflow
systems | windows
advisories | CVE-2019-8048
SHA-256 | 2e39d5bbec11ffe0caf3a162ae9107ba4e4d4ce4abe910138a4af9194b54b5f8
Adobe Acrobat Reader DC For Windows Malformed PDF Buffer Overflow
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows suffers from a heap-based buffer overflow vulnerability while processing malformed PDF files.

tags | exploit, overflow
systems | windows
advisories | CVE-2019-8050
SHA-256 | 5dcc1781a46dd55c628882e3e2dc0892c7f58e556bf2c98bea7baaf35d1a37e0
Adobe Acrobat Reader DC For Windows JP2 Stream Use-After-Free
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows suffers from a use-after-free vulnerability due to a malformed JP2 stream.

tags | exploit
systems | windows
advisories | CVE-2019-8024
SHA-256 | 3e642425819544e34c74b778375e090c2da2cda91337ec3e0f6dff0d85bfc4e0
Adobe Acrobat Reader DC For Windows JP2 Stream Out-Of-Bounds Read
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat Reader DC for Windows suffers from a heap-based out-of-bounds read vulnerability due to a malformed JP2 stream.

tags | exploit
systems | windows
advisories | CVE-2019-8043
SHA-256 | 6f5435eefbd900498a34036b49b7467c6ab111b70ac6182868e91c8cc4ccce20
Microsoft Font Subsetting DLL FixSbitSubTableFormat1 Out-Of-Bounds Read
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Microsoft Font Subsetting DLL suffers from a heap-based out-of-bounds read vulnerability in FixSbitSubTableFormat1.

tags | exploit
advisories | CVE-2019-1153
SHA-256 | 227cc5ff3a07c88a3b14f3890b2bb30fa613cfb16d0ecb9e4e0ffa9023c914ae
Microsoft Font Subsetting DLL MakeFormat12MergedGlyphList Heap Corruption
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Microsoft Font Subsetting DLL suffers from a heap corruption vulnerability in MakeFormat12MergedGlyphList.

tags | exploit
advisories | CVE-2019-1152
SHA-256 | 9ad072537e464902161bb1d614b4ef7d91d6dfd438e7a9b6bda50e71f2ad8176
Microsoft Font Subsetting DLL WriteTableFromStructure Out-Of-Bounds Read
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Microsoft Font Subsetting DLL suffers from a heap-based out-of-bounds read vulnerability in WriteTableFromStructure.

tags | exploit
advisories | CVE-2019-1150
SHA-256 | b204042a95fcd480c897cdcace659b0082a8aacc0c60176198f2f1268aeb6155
Microsoft Font Subsetting DLL ReadAllocFormat12CharGlyphMapList Heap Corruption
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Microsoft Font Subsetting DLL suffers from a heap corruption vulnerability in ReadAllocFormat12CharGlyphMapList.

tags | exploit
advisories | CVE-2019-1151
SHA-256 | 13242e827b1f0a3ff93c57d1a71e5f493fc85117660e0d5e79eebecfaf18ab70
Microsoft Font Subsetting DLL ReadTableIntoStructure Heap Corruption
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Microsoft Font Subsetting DLL suffers from a heap corruption vulnerability in ReadTableIntoStructure.

tags | exploit
advisories | CVE-2019-1150
SHA-256 | 544427667509a091f6d7efe745438ad65a9a17d6c0bfcf266fd3e755022d8081
Microsoft Font Subsetting DLL FixSbitSubTables Heap Corruption
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Microsoft Font Subsetting DLL suffers from a heap corruption vulnerability in FixSbitSubTables.

tags | exploit
advisories | CVE-2019-1149
SHA-256 | f46d17c954f6e94d032c69f8511236395dead5379f423b21f856132b36934f44
Microsoft Font Subsetting DLL MergeFormat12Cmap / MakeFormat12MergedGlyphList Double-Free
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Microsoft Font Subsetting DLL suffers from a double free vulnerability in MergeFormat12Cmap / MakeFormat12MergedGlyphList.

tags | exploit
advisories | CVE-2019-1144
SHA-256 | e29f02948fd332ebe7380f90073aaba9ef4f2e354110987119fdb6b3fe07c0e4
Microsoft Font Subsetting DLL GetGlyphId Out-Of-Bounds Read
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Microsoft Font Subsetting DLL suffers from a heap-based out-of-bounds read vulnerability in GetGlyphIdx.

tags | exploit
advisories | CVE-2019-1148
SHA-256 | 9840199e16c8736422d5492c789d03b84c0e50af20ddc637d17924f826b4c265
Microsoft Font Subsetting DLL MergeFontPackage Dangling Pointer
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

The Microsoft Font Subsetting DLL (fontsub.dll) is a default Windows helper library for subsetting TTF fonts. It has an issue where it returns a dangling pointer via MergeFontPackage.

tags | exploit
systems | windows
advisories | CVE-2019-1145
SHA-256 | b7462443e93a2f335edb0fa0cb618f1ca09b68a645524a4da907045e4cbecac9
Adobe Acrobat CoolType (AFDKO) Type 1 Font Uninitialized Memory Issue
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat CoolType (AFDKO) performs a call from uninitialized memory due to an empty FDArray in Type 1 fonts.

tags | exploit
advisories | CVE-2019-8017
SHA-256 | ee99bdb3d2d2a70010bf2a086b44062bad866bcffaebcb151253aa34f15fa2e0
Adobe Acrobat CoolType (AFDKO) Type 1 Font Memory Corruption
Posted Aug 15, 2019
Authored by Google Security Research, mjurczyk

Adobe Acrobat CoolType (AFDKO) suffers from a memory corruption vulnerability in the handling of Type 1 font load/store operators.

tags | exploit
advisories | CVE-2019-8016
SHA-256 | fffe2236225f9e4d3de8ed6ad23bf638c3e2c3dd9c3515264d5d9e52c22749ea
Microsoft Font Subsetting DLL ComputeFormat4CmapData Heap Corruption
Posted Jul 12, 2019
Authored by Google Security Research, mjurczyk

There is a Microsoft Font Subsetting DLL heap corruption vulnerability in ComputeFormat4CmapData.

tags | exploit
SHA-256 | 88c8f33972cfdf8c4a1abf07e27de14c8a881010277ba8de5406bd72df2dced1
Microsoft DirectWrite / AFDKO OpenType Stack Corruption
Posted Jul 12, 2019
Authored by Google Security Research, mjurczyk

Microsoft DirectWrite / AFDKO suffers from a stack corruption vulnerability in OpenType font handling while processing CFF blend DICT operator.

tags | exploit
advisories | CVE-2019-1123
SHA-256 | 4fcf434e418ec4b78b4c2d63832210327781ed08e528c125015656abfd99f10d
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