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[3.10] gh-145506: Fixes CVE-2026-2297 by ensuring SourcelessFileLoader uses io.open_code (GH-145507) #145516

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[3.10] gh-145506: Fixes CVE-2026-2297 by ensuring SourcelessFileLoader uses io.open_code (GH-145507) #145516

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8a03a63
gh-145506: Fixes CVE-2026-2297 by ensuring SourcelessFileLoader uses …
zooba Mar 4, 2026
55675c7
Regenerate importlib_external.h
StanFromIreland Mar 6, 2026
218332d
Fix blurb entry
StanFromIreland Mar 6, 2026
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2 changes: 1 addition & 1 deletion Lib/importlib/_bootstrap_external.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1069,7 +1069,7 @@ def get_filename(self, fullname):

def get_data(self, path):
"""Return the data from path as raw bytes."""
if isinstance(self, (SourceLoader, ExtensionFileLoader)):
if isinstance(self, (SourceLoader, SourcelessFileLoader, ExtensionFileLoader)):
with _io.open_code(str(path)) as file:
return file.read()
else:
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Security/2026-03-04-18-59-17.gh-issue-145506.6hwvEh.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Fixes :cve:`2026-2297` by ensuring that ``SourcelessFileLoader`` uses
:func:`io.open_code` when opening ``.pyc`` files.
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