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package/python3: security bump to v3.12.12

Browse Source 
See the changelog:
https://docs.python.org/release/3.12.12/whatsnew/changelog.html#python-3-12-12

And the announcement:
https://www.python.org/downloads/release/python-31212/

This provides the following security fixes:
- gh-139312: Upgraded bundled libexpat to 2.7.3 to fix CVE-2025-59375

- gh-139700: Check consistency of the zip64 end of central directory record.
  Support records with “zip64 extensible data” if there are no bytes
  prepended to the ZIP file.

- gh-139400: xml.parsers.expat: Make sure that parent Expat parsers are only
  garbage-collected once they are no longer referenced by subparsers created
  by ExternalEntityParserCreate(). Patch by Sebastian Pipping.

- gh-135661: Fix parsing start and end tags in html.parser.HTMLParser
  according to the HTML5 standard.

- gh-135661: Fix CDATA section parsing in html.parser.HTMLParser according to
  the HTML5 standard: ] ]> and ]] > no longer end the CDATA section. Add
  private method _set_support_cdata() which can be used to specify how to
  parse <[CDATA[ — as a CDATA section in foreign content (SVG or MathML) or as
  a bogus comment in the HTML namespace.

- gh-102555: Fix comment parsing in html.parser.HTMLParser according to the
  HTML5 standard. --!> now ends the comment. -- > no longer ends the comment.
  Support abnormally ended empty comments <--> and <--->.

- gh-135462: Fix quadratic complexity in processing specially crafted input
  in html.parser.HTMLParser. End-of-file errors are now handled according
  to the HTML5 specs – comments and declarations are automatically closed,
  tags are ignored.

- gh-118350: Fix support of escapable raw text mode (elements “textarea” and
  “title”) in html.parser.HTMLParser.

- gh-86155: html.parser.HTMLParser.close() no longer loses data when the
  <script> tag is not closed. Patch by Waylan Limberg.

Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
(cherry picked from commit d16c812b7e)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
This commit is contained in:
Titouan Christophe
2025-10-20 12:31:41 +02:00
committed by Arnout Vandecappelle
parent 358dbb1160
commit fdfbad13ca
3 changed files with 3 additions and 221 deletions
Download Patch File Download Diff File Expand all files Collapse all files

218
package/python3/0013-tarfile-now-validates-archives-to-ensure-member-offsets-are-non-negative.patch
View File

@@ -1,218 +0,0 @@
From c9d9f78feb1467e73fd29356c040bde1c104f29f Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
<31488909+miss-islington@users.noreply.github.com>
Date: Mon, 4 Aug 2025 13:45:06 +0200
Subject: [PATCH] [3.12] gh-130577: tarfile now validates archives to ensure
member offsets are non-negative (GH-137027) (#137171)
(cherry picked from commit 7040aa54f14676938970e10c5f74ea93cd56aa38)
Co-authored-by: Alexander Urieles <aeurielesn@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
CVE: CVE-2025-8194
Upstream: https://github.com/python/cpython/commit/c9d9f78feb1467e73fd29356c040bde1c104f29f
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
---
Lib/tarfile.py | 3 +
Lib/test/test_tarfile.py | 156 ++++++++++++++++++
...-07-23-00-35-29.gh-issue-130577.c7EITy.rst | 3 +
3 files changed, 162 insertions(+)
create mode 100644 Misc/NEWS.d/next/Library/2025-07-23-00-35-29.gh-issue-130577.c7EITy.rst
diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index 9999a99d54d8b9..59d3f6e5cce165 100755
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -1615,6 +1615,9 @@ def _block(self, count):
"""Round up a byte count by BLOCKSIZE and return it,
e.g. _block(834) => 1024.
"""
+ # Only non-negative offsets are allowed
+ if count < 0:
+ raise InvalidHeaderError("invalid offset")
blocks, remainder = divmod(count, BLOCKSIZE)
if remainder:
blocks += 1
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index a184ba75a8851b..759fa03ead70b0 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -50,6 +50,7 @@ def sha256sum(data):
xzname = os.path.join(TEMPDIR, "testtar.tar.xz")
tmpname = os.path.join(TEMPDIR, "tmp.tar")
dotlessname = os.path.join(TEMPDIR, "testtar")
+SPACE = b" "
sha256_regtype = (
"e09e4bc8b3c9d9177e77256353b36c159f5f040531bbd4b024a8f9b9196c71ce"
@@ -4488,6 +4489,161 @@ def extractall(self, ar):
ar.extractall(self.testdir, filter='fully_trusted')
+class OffsetValidationTests(unittest.TestCase):
+ tarname = tmpname
+ invalid_posix_header = (
+ # name: 100 bytes
+ tarfile.NUL * tarfile.LENGTH_NAME
+ # mode, space, null terminator: 8 bytes
+ + b"000755" + SPACE + tarfile.NUL
+ # uid, space, null terminator: 8 bytes
+ + b"000001" + SPACE + tarfile.NUL
+ # gid, space, null terminator: 8 bytes
+ + b"000001" + SPACE + tarfile.NUL
+ # size, space: 12 bytes
+ + b"\xff" * 11 + SPACE
+ # mtime, space: 12 bytes
+ + tarfile.NUL * 11 + SPACE
+ # chksum: 8 bytes
+ + b"0011407" + tarfile.NUL
+ # type: 1 byte
+ + tarfile.REGTYPE
+ # linkname: 100 bytes
+ + tarfile.NUL * tarfile.LENGTH_LINK
+ # magic: 6 bytes, version: 2 bytes
+ + tarfile.POSIX_MAGIC
+ # uname: 32 bytes
+ + tarfile.NUL * 32
+ # gname: 32 bytes
+ + tarfile.NUL * 32
+ # devmajor, space, null terminator: 8 bytes
+ + tarfile.NUL * 6 + SPACE + tarfile.NUL
+ # devminor, space, null terminator: 8 bytes
+ + tarfile.NUL * 6 + SPACE + tarfile.NUL
+ # prefix: 155 bytes
+ + tarfile.NUL * tarfile.LENGTH_PREFIX
+ # padding: 12 bytes
+ + tarfile.NUL * 12
+ )
+ invalid_gnu_header = (
+ # name: 100 bytes
+ tarfile.NUL * tarfile.LENGTH_NAME
+ # mode, null terminator: 8 bytes
+ + b"0000755" + tarfile.NUL
+ # uid, null terminator: 8 bytes
+ + b"0000001" + tarfile.NUL
+ # gid, space, null terminator: 8 bytes
+ + b"0000001" + tarfile.NUL
+ # size, space: 12 bytes
+ + b"\xff" * 11 + SPACE
+ # mtime, space: 12 bytes
+ + tarfile.NUL * 11 + SPACE
+ # chksum: 8 bytes
+ + b"0011327" + tarfile.NUL
+ # type: 1 byte
+ + tarfile.REGTYPE
+ # linkname: 100 bytes
+ + tarfile.NUL * tarfile.LENGTH_LINK
+ # magic: 8 bytes
+ + tarfile.GNU_MAGIC
+ # uname: 32 bytes
+ + tarfile.NUL * 32
+ # gname: 32 bytes
+ + tarfile.NUL * 32
+ # devmajor, null terminator: 8 bytes
+ + tarfile.NUL * 8
+ # devminor, null terminator: 8 bytes
+ + tarfile.NUL * 8
+ # padding: 167 bytes
+ + tarfile.NUL * 167
+ )
+ invalid_v7_header = (
+ # name: 100 bytes
+ tarfile.NUL * tarfile.LENGTH_NAME
+ # mode, space, null terminator: 8 bytes
+ + b"000755" + SPACE + tarfile.NUL
+ # uid, space, null terminator: 8 bytes
+ + b"000001" + SPACE + tarfile.NUL
+ # gid, space, null terminator: 8 bytes
+ + b"000001" + SPACE + tarfile.NUL
+ # size, space: 12 bytes
+ + b"\xff" * 11 + SPACE
+ # mtime, space: 12 bytes
+ + tarfile.NUL * 11 + SPACE
+ # chksum: 8 bytes
+ + b"0010070" + tarfile.NUL
+ # type: 1 byte
+ + tarfile.REGTYPE
+ # linkname: 100 bytes
+ + tarfile.NUL * tarfile.LENGTH_LINK
+ # padding: 255 bytes
+ + tarfile.NUL * 255
+ )
+ valid_gnu_header = tarfile.TarInfo("filename").tobuf(tarfile.GNU_FORMAT)
+ data_block = b"\xff" * tarfile.BLOCKSIZE
+
+ def _write_buffer(self, buffer):
+ with open(self.tarname, "wb") as f:
+ f.write(buffer)
+
+ def _get_members(self, ignore_zeros=None):
+ with open(self.tarname, "rb") as f:
+ with tarfile.open(
+ mode="r", fileobj=f, ignore_zeros=ignore_zeros
+ ) as tar:
+ return tar.getmembers()
+
+ def _assert_raises_read_error_exception(self):
+ with self.assertRaisesRegex(
+ tarfile.ReadError, "file could not be opened successfully"
+ ):
+ self._get_members()
+
+ def test_invalid_offset_header_validations(self):
+ for tar_format, invalid_header in (
+ ("posix", self.invalid_posix_header),
+ ("gnu", self.invalid_gnu_header),
+ ("v7", self.invalid_v7_header),
+ ):
+ with self.subTest(format=tar_format):
+ self._write_buffer(invalid_header)
+ self._assert_raises_read_error_exception()
+
+ def test_early_stop_at_invalid_offset_header(self):
+ buffer = self.valid_gnu_header + self.invalid_gnu_header + self.valid_gnu_header
+ self._write_buffer(buffer)
+ members = self._get_members()
+ self.assertEqual(len(members), 1)
+ self.assertEqual(members[0].name, "filename")
+ self.assertEqual(members[0].offset, 0)
+
+ def test_ignore_invalid_archive(self):
+ # 3 invalid headers with their respective data
+ buffer = (self.invalid_gnu_header + self.data_block) * 3
+ self._write_buffer(buffer)
+ members = self._get_members(ignore_zeros=True)
+ self.assertEqual(len(members), 0)
+
+ def test_ignore_invalid_offset_headers(self):
+ for first_block, second_block, expected_offset in (
+ (
+ (self.valid_gnu_header),
+ (self.invalid_gnu_header + self.data_block),
+ 0,
+ ),
+ (
+ (self.invalid_gnu_header + self.data_block),
+ (self.valid_gnu_header),
+ 1024,
+ ),
+ ):
+ self._write_buffer(first_block + second_block)
+ members = self._get_members(ignore_zeros=True)
+ self.assertEqual(len(members), 1)
+ self.assertEqual(members[0].name, "filename")
+ self.assertEqual(members[0].offset, expected_offset)
+
+
def setUpModule():
os_helper.unlink(TEMPDIR)
os.makedirs(TEMPDIR)
diff --git a/Misc/NEWS.d/next/Library/2025-07-23-00-35-29.gh-issue-130577.c7EITy.rst b/Misc/NEWS.d/next/Library/2025-07-23-00-35-29.gh-issue-130577.c7EITy.rst
new file mode 100644
index 00000000000000..342cabbc865dc4
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-07-23-00-35-29.gh-issue-130577.c7EITy.rst
@@ -0,0 +1,3 @@
+:mod:`tarfile` now validates archives to ensure member offsets are
+non-negative. (Contributed by Alexander Enrique Urieles Nieto in
+:gh:`130577`.)

4
package/python3/python3.hash
View File

@@ -1,5 +1,5 @@
# From https://www.python.org/downloads/release/python-31211/
md5 9613d56b90d0d0cfd19980c7e2956a06 Python-3.12.11.tar.xz
md5 04feb01316c7bb1b448001adbc63dd23 Python-3.12.12.tar.xz
# Locally computed
sha256 c30bb24b7f1e9a19b11b55a546434f74e739bb4c271a3e3a80ff4380d49f7adb Python-3.12.11.tar.xz
sha256 fb85a13414b028c49ba18bbd523c2d055a30b56b18b92ce454ea2c51edc656c4 Python-3.12.12.tar.xz
sha256 3b2f81fe21d181c499c59a256c8e1968455d6689d269aa85373bfb6af41da3bf LICENSE

2
package/python3/python3.mk
View File

@@ -5,7 +5,7 @@
################################################################################
PYTHON3_VERSION_MAJOR = 3.12
PYTHON3_VERSION = $(PYTHON3_VERSION_MAJOR).11
PYTHON3_VERSION = $(PYTHON3_VERSION_MAJOR).12
PYTHON3_SOURCE = Python-$(PYTHON3_VERSION).tar.xz
PYTHON3_SITE = https://python.org/ftp/python/$(PYTHON3_VERSION)
PYTHON3_LICENSE = Python-2.0, others