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Update to Python 3.12.12

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Resolves: RHEL-128364
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Karolina Surma 2026-01-05 12:49:09 +01:00 committed by Lumir Balhar
parent 06aa41184a
commit 1966fe61b0
3 changed files with 27 additions and 242 deletions
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215
00467-CVE-2025-8194.patch
View File

@ -1,215 +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>
---
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`.)

50
python3.12.spec
View File

@ -16,11 +16,11 @@ URL: https://www.python.org/
# WARNING When rebasing to a new Python version, # WARNING When rebasing to a new Python version,
# remember to update the python3-docs package as well # remember to update the python3-docs package as well
%global general_version %{pybasever}.11 %global general_version %{pybasever}.12
#global prerel ... #global prerel ...
%global upstream_version %{general_version}%{?prerel} %global upstream_version %{general_version}%{?prerel}
Version: %{general_version}%{?prerel:~%{prerel}} Version: %{general_version}%{?prerel:~%{prerel}}
Release: 2%{?dist} Release: 1%{?dist}
License: Python-2.0.1 License: Python-2.0.1
@ -66,7 +66,7 @@ License: Python-2.0.1
# from Python with the versions below. # from Python with the versions below.
# This needs to be manually updated when we update Python. # This needs to be manually updated when we update Python.
%global pip_version 25.0.1 %global pip_version 25.0.1
%global setuptools_version 67.6.1 %global setuptools_version 79.0.1
%global wheel_version 0.40.0 %global wheel_version 0.40.0
# All of those also include a list of indirect bundled libs: # All of those also include a list of indirect bundled libs:
# pip # pip
@ -92,22 +92,25 @@ Provides: bundled(python3dist(typing-extensions)) = 4.12.2
Provides: bundled(python3dist(urllib3)) = 1.26.20 Provides: bundled(python3dist(urllib3)) = 1.26.20
} }
# setuptools # setuptools
# vendor.txt files not in .whl # vendor.txt not in .whl
# $ %%{_rpmconfigdir}/pythonbundles.py \ # %%{_rpmconfigdir}/pythonbundles.py <(unzip -l Lib/test/wheeldata/setuptools-*.whl | grep -E '_vendor/.+dist-info/RECORD' | sed -E 's@^.*/([^-]+)-([^-]+)\.dist-info/.*$@\1==\2@')
# <(curl -L https://github.com/pypa/setuptools/raw/v%%{setuptools_version}/setuptools/_vendor/vendored.txt) \
# <(curl -L https://github.com/pypa/setuptools/raw/v%%{setuptools_version}/pkg_resources/_vendor/vendored.txt)
%global setuptools_bundled_provides %{expand: %global setuptools_bundled_provides %{expand:
Provides: bundled(python3dist(importlib-metadata)) = 6 Provides: bundled(python3dist(autocommand)) = 2.2.2
Provides: bundled(python3dist(importlib-resources)) = 5.10.2 Provides: bundled(python3dist(backports-tarfile)) = 1.2
Provides: bundled(python3dist(jaraco-text)) = 3.7 Provides: bundled(python3dist(importlib-metadata)) = 8
Provides: bundled(python3dist(more-itertools)) = 8.8 Provides: bundled(python3dist(inflect)) = 7.3.1
Provides: bundled(python3dist(ordered-set)) = 3.1.1 Provides: bundled(python3dist(jaraco-collections)) = 5.1
Provides: bundled(python3dist(packaging)) = 23 Provides: bundled(python3dist(jaraco-context)) = 5.3
Provides: bundled(python3dist(platformdirs)) = 2.6.2 Provides: bundled(python3dist(jaraco-functools)) = 4.0.1
Provides: bundled(python3dist(jaraco-text)) = 3.12.1
Provides: bundled(python3dist(more-itertools)) = 10.3
Provides: bundled(python3dist(packaging)) = 24.2
Provides: bundled(python3dist(platformdirs)) = 4.2.2
Provides: bundled(python3dist(tomli)) = 2.0.1 Provides: bundled(python3dist(tomli)) = 2.0.1
Provides: bundled(python3dist(typing-extensions)) = 4.0.1 Provides: bundled(python3dist(typeguard)) = 4.3
Provides: bundled(python3dist(typing-extensions)) = 4.4 Provides: bundled(python3dist(typing-extensions)) = 4.12.2
Provides: bundled(python3dist(zipp)) = 3.7 Provides: bundled(python3dist(wheel)) = 0.45.1
Provides: bundled(python3dist(zipp)) = 3.19.2
} }
# wheel # wheel
# $ %%{_rpmconfigdir}/pythonbundles.py <(unzip -p Lib/test/wheeldata/wheel-*.whl wheel/vendored/vendor.txt) # $ %%{_rpmconfigdir}/pythonbundles.py <(unzip -p Lib/test/wheeldata/wheel-*.whl wheel/vendored/vendor.txt)
@ -389,14 +392,6 @@ Patch397: 00397-tarfile-filter.patch
# CVE-2023-52425. Future versions of Expat may be more reactive. # CVE-2023-52425. Future versions of Expat may be more reactive.
Patch422: 00422-fix-tests-for-xmlpullparser-with-expat-2-6-0.patch Patch422: 00422-fix-tests-for-xmlpullparser-with-expat-2-6-0.patch
# 00467 #
# CVE-2025-8194
#
# tarfile now validates archives to ensure member offsets are non-negative.
#
# Upstream PR: https://github.com/python/cpython/pull/137171
Patch467: 00467-CVE-2025-8194.patch
# (New patches go here ^^^) # (New patches go here ^^^)
# #
# When adding new patches to "python" and "python3" in Fedora, EL, etc., # When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@ -1887,6 +1882,11 @@ fi
# ====================================================== # ======================================================
%changelog %changelog
* Fri Oct 10 2025 Karolina Surma <ksurma@redhat.com> - 3.12.12-1
- Update to 3.12.12
- Security fix for CVE-2025-8291
Resolves: RHEL-128364
* Thu Aug 14 2025 Lumír Balhar <lbalhar@redhat.com> - 3.12.11-2 * Thu Aug 14 2025 Lumír Balhar <lbalhar@redhat.com> - 3.12.11-2
- Security fix for CVE-2025-8194 - Security fix for CVE-2025-8194
Resolves: RHEL-106343 Resolves: RHEL-106343

4
sources
View File

@ -1,2 +1,2 @@
SHA512 (Python-3.12.11.tar.xz) = 81f259c5bb293a5b685ebead1dff56c7c9d28eed12edb508b3e5e1a882991e762fc959803cf2734f4233bb1c5407b4f5303324c67b25d860b069d38bbebe4454 SHA512 (Python-3.12.12.tar.xz) = 4b99d240dd96a6e154909dcffe87f8bb38193d634cd80a1c3d9e819b7a63af2afa46d5e6423e81f00dd388840dc29a4a71580f6aa1ce9a12e559c1d63f65a205
SHA512 (Python-3.12.11.tar.xz.asc) = 3589deba17c5adcfcd614387a5207ad20db56cd9c7937eb44e21035a8745f1c6bb9a1b7cfe8bc5b58ecc7cca09ed49fd4c2878f65baecb2514e79c666f85a22e SHA512 (Python-3.12.12.tar.xz.asc) = 32c10fd427c6f9f11595493d1b4d4c3cade85bffd439fe11e8b0b2c619e06734097b6aaedfdb4fe035b7fdd7196714dba77cdc806923e4454d5bcf60056991a0