Issues

• Request for a private channel to report a security issue

  decalage2/olefile#182 · Filter by author nathannncurtis opened on Nov 7, 2026

• Unbounded MiniFAT/FAT chain traversal in OleDirectoryEntry.build_sect_chain() causes infinite loop / DoS during write_stream()

  decalage2/olefile#179 · Filter by author AnkitSingh411 opened on Aug 25, 2026

• OleFileIO buffers entire streams and builds the FAT with O(n²) array concatenation

  decalage2/olefile#176 · Filter by author poofeg opened on Aug 16, 2026

• Syntax error in Python 3.12

  buginstallationmajor
  decalage2/olefile#173 · Filter by author mkhludnev opened on Oct 24, 2025 · olefile 0.47
  1

  

• OleFileIO.get_metadata() hangs when parsing some corrupt ole files

  bug
  decalage2/olefile#170 · Filter by author crazyyao0 opened on Nov 27, 2024 · olefile 0.47
  

• olefile 0.47 hangs for sample 6e64df5f418391bb3fa8e2dcc224cc8078c8d5d0e530878e362c9b46d5c65f1c

  bugmajor
  decalage2/olefile#168 · Filter by author ghanashyams opened on Oct 16, 2024 · olefile 0.47
  

• Type hints

  proposal
  decalage2/olefile#166 · Filter by author radarhere opened on Feb 18, 2024 · olefile 0.50
  2

  

• [bug report] olefile.getproperties not working on WPS Office document.

  bug
  decalage2/olefile#164 · Filter by author andrew0411 opened on Jan 24, 2024 · olefile 0.47
  2

  

• improve the _find method

  enhancement
  decalage2/olefile#163 · Filter by author decalage2 opened on Jan 3, 2024 · olefile 0.50
  

• [bug] OleFileIO.getproperties creates immense for-loop

  bug
  decalage2/olefile#162 · Filter by author andrew0411 opened on Jan 3, 2024 · olefile 0.47
  3

• New exceptions from 0.47 are not exported in __all__

  bug
  decalage2/olefile#160 · Filter by author TheElementalOfDestruction opened on Dec 4, 2023 · olefile 0.47
  1

  

• Change from catching BaseException to Exception.

  bug
  decalage2/olefile#153 · Filter by author TheElementalOfDestruction opened on Jul 4, 2023 · olefile 0.47
  

• module 'olefile' has no attribute 'OleFileIO'

  question
  decalage2/olefile#152 · Filter by author hildeb opened on Jun 14, 2023
  3

  

• Continuous fuzzing by way of OSS-Fuzz

  tests
  decalage2/olefile#149 · Filter by author DavidKorczynski opened on Aug 1, 2022 · olefile 0.47
  2

  

• [bug] incorrect code page parsing

  bug
  decalage2/olefile#144 · Filter by author ctlayon opened on Jun 24, 2021 · olefile 0.47
  1

  

• Represent OleStream as a file stream

  enhancement
  decalage2/olefile#143 · Filter by author ablearthy opened on Jun 7, 2021 · olefile 1.0

• rename master branch to main

  enhancement
  decalage2/olefile#134 · Filter by author decalage2 opened on Jun 15, 2020 · olefile 0.47
  

• Release New Version - Custom Properties

  question
  decalage2/olefile#132 · Filter by author aarbro opened on Apr 15, 2020 · olefile 0.47
  3

  

• [Feature Request] Ability to create new OleFile storage files

  duplicateenhancement
  decalage2/olefile#128 · Filter by author TheElementalOfDestruction opened on Mar 10, 2020 · olefile 1.0
  3

  

• improve property stream parsing

  enhancement
  decalage2/olefile#127 · Filter by author decalage2 opened on Jan 6, 2020 · olefile 0.50

• DIFAT integer overflow support to match MS Word's behaviour

  enhancement
  decalage2/olefile#124 · Filter by author decalage2 opened on Sep 10, 2019 · olefile 0.47
  

• FYI: Re-appearance of installation issues with OleFileIO-PL & olefile

  buginstallation
  decalage2/olefile#123 · Filter by author follower opened on Aug 14, 2019 · olefile 0.47
  

• add header_clsid_raw

  enhancement
  decalage2/olefile#122 · Filter by author decalage2 opened on Jul 12, 2019 · olefile 0.47
  

• openstream and other methods should allow both unicode and utf8 for stream names

  enhancement
  decalage2/olefile#119 · Filter by author decalage2 opened on Apr 23, 2019 · olefile 0.47
  

• Error when opening xls file - IOError: incorrect end of DIFAT

  bugquestion
  decalage2/olefile#117 · Filter by author prasanna-sk opened on Apr 18, 2019 · olefile 0.47
  2