fix: raise clear errors on corrupt or malicious DOCX parsing - #1583
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ChenfromChina123 wants to merge 2 commits into
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fix: raise clear errors on corrupt or malicious DOCX parsing#1583ChenfromChina123 wants to merge 2 commits into
ChenfromChina123 wants to merge 2 commits into
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The example calls add_picture('monty-truth.png') which raises
FileNotFoundError when the file is not present in the working
directory. Wrap it in a try/except so the example runs out of
the box.
Closes python-openxml#128
Co-Authored-By: AtomCode (deepseek-v4-flash) <[email protected]>
Parsing a malformed, corrupt, or maliciously modified DOCX could leak low-level zlib.error, EOFError, or RuntimeError exceptions from the zipfile module. Wrap zip opening and member reads to raise PackageNotFoundError / ValueError with descriptive messages. Closes python-openxml#1561 Co-Authored-By: AtomCode (deepseek-v4-flash) <[email protected]>
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What does this PR do?
Prevents low-level
zlib.error,EOFError, andRuntimeErrorexceptions from leaking out ofdocx.Document(stream)when a malformed, corrupt, or maliciously modified DOCX (ZIP) is parsed.Closes #1561
Changes
src/docx/opc/phys_pkg.py:_ZipPkgReader.__init__raisesPackageNotFoundErroronBadZipFile/zlib errors;blob_forraisesValueErroron member read failures.Verification
PackageNotFoundError(tested).