SRU: backport Python 3.9.5 to 20.04 LTS, 20.10 and 21.04
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
python3-stdlib-extensions (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
Unassigned | ||
Groovy |
Fix Released
|
Undecided
|
Unassigned | ||
Hirsute |
Fix Released
|
Undecided
|
Unassigned | ||
python3.9 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
Unassigned | ||
Groovy |
Fix Released
|
Undecided
|
Unassigned | ||
Hirsute |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
Backport python 3.9.5 to groovy and focal.
Regression potential: ...
Validation: Test results show no regressions, and the archive test rebuild doesn't show any regressions.
Acceptance criteria:
- 21.04: 3.9 is the default version. check test suite and autopkg test results
- 20.04 LTS and 20.10: not used in the archive, just check test suite
It's a minor upstream update, consisting of:
Security
--------
- bpo-43434: Creating a :class:
a ``sqlite3.connect`` :ref:`auditing event <auditing>`. Previously this
event was only produced by :func:`
E. Aasland.
- bpo-43882: The presence of newline or tab characters in parts of a URL
could allow some forms of attacks.
Following the controlling specification for URLs defined by WHATWG
:func:
preventing such attacks.
- bpo-43472: Ensures interpreter-level audit hooks receive the
``cpython.
``_xxsubinter
- bpo-36384: :mod:`ipaddress` module no longer accepts any leading zeros in
IPv4 address strings. Leading zeros are ambiguous and interpreted as octal
notation by some libraries. For example the legacy function
:func:
implementation of modern :func:`
leading zeros. For a while the :mod:`ipaddress` module used to accept
ambiguous leading zeros.
- bpo-43075: Fix Regular Expression Denial of Service (ReDoS) vulnerability
in :class:
regex has quadratic worst-case complexity and it allows cause a denial of
service when identifying crafted invalid RFCs. This ReDoS issue is on the
client side and needs remote attackers to control the HTTP server.
- bpo-42800: Audit hooks are now fired for frame.f_code, traceback.tb_frame,
and generator code/frame attribute access.
Core and Builtins
-----------------
- bpo-43105: Importlib now resolves relative paths when creating module spec
objects from file locations.
- bpo-42924: Fix ``bytearray`` repetition incorrectly copying data from the
start of the buffer, even if the data is offset within the buffer (e.g.
after reassigning a slice at the start of the ``bytearray`` to a shorter
byte string).
Library
-------
- bpo-43993: Update bundled pip to 21.1.1.
- bpo-43937: Fixed the :mod:`turtle` module working with non-default root
window.
- bpo-43930: Update bundled pip to 21.1 and setuptools to 56.0.0
- bpo-43920: OpenSSL 3.0.0: :meth:`
now returns a consistent error message when cadata contains no valid
certificate.
- bpo-43607: :mod:`urllib` can now convert Windows paths with ``\\?\``
prefixes into URL paths.
- bpo-43284: platform.win32_ver derives the windows version from
sys.getwindow
from kernel32.dll (which can be of a different version than Windows
itself). Therefore change the platform.win32_ver to determine the version
using the platform module's _syscmd_ver private function to return an
accurate version.
- bpo-42248: [Enum] ensure exceptions raised in ``_missing__`` are released
- bpo-43799: OpenSSL 3.0.0: define ``OPENSSL_
deprecation warnings. Python requires OpenSSL 1.1.1 APIs.
- bpo-43794: Add :data:`
3.0.0)
- bpo-43789: OpenSSL 3.0.0: Don't call the password callback function a
second time when first call has signaled an error condition.
- bpo-43788: The header files for :mod:`ssl` error codes are now OpenSSL
version-specific. Exceptions will now show correct reason and library
codes. The ``make_
text file with error codes.
- bpo-43655: :mod:`tkinter` dialog windows are now recognized as dialogs by
window managers on macOS and X Window.
- bpo-43534: :func:`
a transient window working on behalf of the canvas window.
- bpo-43522: Fix problem with
:attr:
hostflags from *struct SSL_CTX* to *struct SSL*.
- bpo-42967: Allow :class:`bytes` ``separator`` argument in
``urllib.
:class:`str` query strings. Previously, this raised a ``TypeError``.
- bpo-43176: Fixed processing of a dataclass that inherits from a frozen
dataclass with no fields. It is now correctly detected as an error.
- bpo-41735: Fix thread locks in zlib module may go wrong in rare case.
Patch by Ma Lin.
- bpo-36470: Fix dataclasses with ``InitVar``\s and
:func:
- bpo-32745: Fix a regression in the handling of ctypes'
:data:
:exc:`ValueError` to be raised. Patch by Zackery Spytz.
Documentation
-------------
- bpo-43959: The documentation on the PyContextVar C-API was clarified.
- bpo-43938: Update dataclasses documentation to express that
FrozenInstanc
- bpo-43755: Update documentation to reflect that unparenthesized lambda
expressions can no longer be the expression part in an ``if`` clause in
comprehensions and generator expressions since Python 3.9.
- bpo-43739: Fixing the example code in Doc/extending/
declare and initialize the pmodule variable to be of the right type.
CVE References
summary: |
- SRU: backport Python 3.8.6 and 3.9.0 to 20.04 LTS + SRU: backport Python 3.9.5 to 20.04 LTS |
no longer affects: | python3.8 (Ubuntu) |
description: | updated |
summary: |
- SRU: backport Python 3.9.5 to 20.04 LTS + SRU: backport Python 3.9.5 to 20.04 LTS, 20.10 and 21.04 |
Hi,
This backport appears to have introduced a regression. Permissions of /usr/local/ lib/python3. 8/dist- packages changed, disallowing non root access breaking policyd-spf.