New submission from alter-bug-tracer <emanuel.vint...@abugtracer.ro>:
The following code throws an IndexError when attempting to extract a malformed
archive (attached):
import zipfile
import sys
zf = zipfile.ZipFile(sys.argv[1])
for info in zf.infolist():
zf.extract(info.filename)
Result:
Traceback (most recent call last):
File "code.py", line 4, in <module>
zf = zipfile.ZipFile(sys.argv[1])
File "/usr/local/lib/python3.8/zipfile.py", line 1230, in __init__
self._RealGetContents()
File "/usr/local/lib/python3.8/zipfile.py", line 1353, in _RealGetContents
x._decodeExtra()
File "/usr/local/lib/python3.8/zipfile.py", line 480, in _decodeExtra
self.file_size = counts[idx]
IndexError: tuple index out of range
----------
files: index_tuple.zip
messages: 343038
nosy: alter-bug-tracer
priority: normal
severity: normal
status: open
title: zipfile: tuple IndexError on extract
versions: Python 3.6, Python 3.7, Python 3.8
Added file: https://bugs.python.org/file48348/index_tuple.zip
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36993>
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