Perform path normalization in TarFile.extractall()

0xd6cb6d73 · 0xd6cb6d73 · commit 75b6685c1604 · 2026-01-10T17:40:44.000+01:00
diff --git a/Lib/tarfile.py b/Lib/tarfile.py
@@ -2437,6 +2437,7 @@ def extractall(self, path=".", members=None, *, numeric_owner=False,
                                                  'excluded by filter')
                     continue
                 dirpath = os.path.join(path, tarinfo.name)
+                dirpath = os.path.normpath(dirpath)
                 try:
                     lstat = os.lstat(dirpath)
                 except FileNotFoundError:
diff --git a/Misc/NEWS.d/next/Library/2026-01-10-17-39-09.gh-issue-143663.9LEFAf.rst b/Misc/NEWS.d/next/Library/2026-01-10-17-39-09.gh-issue-143663.9LEFAf.rst
@@ -0,0 +1 @@
+Add path normalization to `TarFile.extractall()`.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Add path normalization to `TarFile.extractall()`.