Log message:
python38 py38-html-docs: updated to 3.8.19

Python 3.8.19

Security

gh-115398: Allow controlling Expat >=2.6.0 reparse deferral (CVE-2023-52425) \ 
by adding five new methods:

xml.etree.ElementTree.XMLParser.flush()
xml.etree.ElementTree.XMLPullParser.flush()
xml.parsers.expat.xmlparser.GetReparseDeferralEnabled()
xml.parsers.expat.xmlparser.SetReparseDeferralEnabled()
xml.sax.expatreader.ExpatParser.flush()
gh-115399: Update bundled libexpat to 2.6.0
gh-113659: Skip .pth files with names starting with a dot or hidden file attribute.

Core and Builtins

gh-102388: Fix a bug where iso2022_jp_3 and iso2022_jp_2004 codecs read out of bounds

Library

gh-115197: urllib.request no longer resolves the hostname before checking it \ 
against the system’s proxy bypass list on macOS and Windows.
gh-115133: Fix tests for XMLPullParser with Expat 2.6.0.
gh-81194: Fix a crash in socket.if_indextoname() with specific value (UINT_MAX). \ 
Fix an integer overflow in socket.if_indextoname() on 64-bit non-Windows \ 
platforms.
gh-109858: Protect zipfile from “quoted-overlap” zipbomb. It now raises \ 
BadZipFile when try to read an entry that overlaps with other entry or central \ 
directory.
gh-107077: Seems that in some conditions, OpenSSL will return SSL_ERROR_SYSCALL \ 
instead of SSL_ERROR_SSL when a certification verification has failed, but the \ 
error parameters will still contain ERR_LIB_SSL and \ 
SSL_R_CERTIFICATE_VERIFY_FAILED. We are now detecting this situation and raising \ 
the appropiate ssl.SSLCertVerificationError. Patch by Pablo Galindo
gh-91133: Fix a bug in tempfile.TemporaryDirectory cleanup, which now no longer \ 
dereferences symlinks when working around file system permission errors.

Documentation

gh-115399: Document CVE-2023-52425 of Expat <2.6.0 under “XML \ 
vulnerabilities”.

Tests

gh-108310: SSL tests for pre-handshake close were previously not enabled on \ 
Python 3.8 due to an incorrect backport. This is now fixed. Patch by Lumír \ 
Balhar.

Windows

gh-111239: Update Windows builds to use zlib v1.3.1.
gh-109991: Windows builds now use OpenSSL 1.1.1w. Note that OpenSSL 1.1 has \ 
reached its end of life and no future fixes will be made, and this version of \ 
Python is no longer receiving maintenance fixes and will not be updated to \ 
OpenSSL 3.0.

Log message:
python38 py38-html-docs: updated to 3.8.18

Python 3.8.18

Security

gh-108310: Fixed an issue where instances of ssl.SSLSocket were vulnerable to a \ 
bypass of the TLS handshake and included protections (like certificate \ 
verification) and treating sent unencrypted data as if it were post-handshake \ 
TLS encrypted data. Security issue reported as CVE-2023-40217 by Aapo Oksman. \ 
Patch by Gregory P. Smith.

Library

gh-107845: tarfile.data_filter() now takes the location of symlinks into account \ 
when determining their target, so it will no longer reject some valid tarballs \ 
with LinkOutsideDestinationError.

Tools/Demos

gh-107565: Update multissltests and GitHub CI workflows to use OpenSSL 1.1.1v, \ 
3.0.10, and 3.1.2.

Log message:
python38 py38-html-docs: updated to 3.8.17

Python 3.8.17

Security
gh-103142: The version of OpenSSL used in our binary builds has been upgraded to \ 
1.1.1u to address several CVEs.
gh-99889: Fixed a security in flaw in uu.decode() that could allow for directory \ 
traversal based on the input if no out_file was specified.
gh-104049: Do not expose the local on-disk location in directory indexes \ 
produced by http.client.SimpleHTTPRequestHandler.
gh-102153: urllib.parse.urlsplit() now strips leading C0 control and space \ 
characters following the specification for URLs defined by WHATWG in response to \ 
CVE-2023-24329. Patch by Illia Volochii.
gh-101727: Updated the OpenSSL version used in Windows and macOS binary release \ 
builds to 1.1.1t to address CVE-2023-0286, CVE-2022-4303, and CVE-2022-4303 per \ 
the OpenSSL 2023-02-07 security advisory.
gh-101283: subprocess.Popen now uses a safer approach to find cmd.exe when \ 
launching with shell=True. Patch by Eryk Sun, based on a patch by Oleg Iarygin.

Library
gh-103935: Use io.open_code() for files to be executed instead of raw open()
gh-102953: The extraction methods in tarfile, and shutil.unpack_archive(), have \ 
a new a filter argument that allows limiting tar features than may be surprising \ 
or dangerous, such as creating files outside the destination directory. See \ 
Extraction filters for details.
gh-101997: Upgrade pip wheel bundled with ensurepip (pip 23.0.1)

Build
gh-102306: [3.8] Avoid GHA CI macOS test_posix failure by using the appropriate \ 
macOS SDK.

Windows
gh-100180: Update Windows installer to OpenSSL 1.1.1s

macOS
gh-103142: Update macOS installer to use OpenSSL 1.1.1u.

Log message:
python38 py38-html-docs: updated to 3.8.16

Python 3.8.16 final

Security
gh-100001: python -m http.server no longer allows terminal control characters \ 
sent within a garbage request to be printed to the stderr server log.

This is done by changing the http.server BaseHTTPRequestHandler .log_message \ 
method to replace control characters with a \xHH hex escape before printing.
gh-87604: Avoid publishing list of active per-interpreter audit hooks via the gc \ 
module
gh-98433: The IDNA codec decoder used on DNS hostnames by socket or asyncio \ 
related name resolution functions no longer involves a quadratic algorithm. This \ 
prevents a potential CPU denial of service if an out-of-spec excessive length \ 
hostname involving bidirectional characters were decoded. Some protocols such as \ 
urllib http 3xx redirects potentially allow for an attacker to supply such a \ 
name.
gh-98739: Update bundled libexpat to 2.5.0
gh-98517: Port XKCP’s fix for the buffer overflows in SHA-3 (CVE-2022-37454).
gh-68966: The deprecated mailcap module now refuses to inject unsafe text \ 
(filenames, MIME types, parameters) into shell commands. Instead of using such \ 
text, it will warn and act as if a match was not found (or for test commands, as \ 
if the test failed).

Log message:
python38 py38-html-docs: updated to 3.8.15

Python 3.8.15

Security

gh-97616: Fix multiplying a list by an integer (list *= int): detect the integer \ 
overflow when the new allocated length is close to the maximum size. Issue \ 
reported by Jordan Limor. Patch by Victor Stinner.
gh-97612: Fix a shell code injection vulnerability in the \ 
get-remote-certificate.py example script. The script no longer uses a shell to \ 
run openssl commands. Issue reported and initial fix by Caleb Shortt. Patch by \ 
Victor Stinner.

Core and Builtins

gh-96848: Fix command line parsing: reject -X int_max_str_digits option with no \ 
value (invalid) when the PYTHONINTMAXSTRDIGITS environment variable is set to a \ 
valid limit. Patch by Victor Stinner.
gh-95778: When ValueError is raised if an integer is larger than the limit, \ 
mention the sys.set_int_max_str_digits() function in the error message. Patch by \ 
Victor Stinner.

Library

gh-97005: Update bundled libexpat to 2.4.9

Windows

gh-96577: Fixes a potential buffer overrun in msilib.

Log message:
python38 py38-html-docs: updated to 3.8.14

Python 3.8.14

Security
gh-95778: Converting between int and str in bases other than 2 (binary), 4, 8 \ 
(octal), 16 (hexadecimal), or 32 such as base 10 (decimal) now raises a \ 
ValueError if the number of digits in string form is above a limit to avoid \ 
potential denial of service attacks due to the algorithmic complexity. This is a \ 
mitigation for CVE-2020-10735.

This new limit can be configured or disabled by environment variable, command \ 
line flag, or sys APIs. See the integer string conversion length limitation \ 
documentation. The default limit is 4300 digits in string form.

Patch by Gregory P. Smith [Google] and Christian Heimes [Red Hat] with feedback \ 
from Victor Stinner, Thomas Wouters, Steve Dower, Ned Deily, and Mark Dickinson.
gh-87389: http.server: Fix an open redirection vulnerability in the HTTP server \ 
when an URI path starts with //. Vulnerability discovered, and initial fix \ 
proposed, by Hamza Avvan.

Core and Builtins
gh-93065: Fix contextvars HAMT implementation to handle iteration over deep trees.

The bug was discovered and fixed by Eli Libman. See MagicStack/immutables#84 for \ 
more details.

Library
bpo-46197: Fix ensurepip environment isolation for subprocess running pip.
bpo-36073: Raise ProgrammingError instead of segfaulting on recursive usage of \ 
cursors in sqlite3 converters. Patch by Sergey Fedoseev.

Documentation
gh-91888: Add a new gh role to the documentation to link to GitHub issues.
bpo-47138: Pin Jinja to a version compatible with Sphinx version 2.4.4.

Tests
gh-94208: test_ssl is now checking for supported TLS version and protocols in \ 
more tests.
bpo-47016: Create a GitHub Actions workflow for verifying bundled pip and \ 
setuptools. Patch by Illia Volochii and Adam Turner.
bpo-46114: Fix test case for OpenSSL 3.0.1 version. OpenSSL 3.0 uses 0xMNN00PP0L.

Windows
bpo-47194: Update zlib to v1.2.12 to resolve CVE-2018-25032.

Log message:
python38 py38-html-docs: updated to 3.8.13

Python 3.8.13 final

Core and Builtins

bpo-46794: Bump up the libexpat version into 2.4.6
Library
bpo-46985: Upgrade pip wheel bundled with ensurepip (pip 22.0.4)
bpo-46932: Update bundled libexpat to 2.4.7
bpo-46811: Make test suite support Expat >=2.4.5
bpo-46784: Fix libexpat symbols collisions with user dynamically loaded or \ 
statically linked libexpat in embedded Python.
bpo-46756: Fix a bug in urllib.request.HTTPPasswordMgr.find_user_password() and \ 
urllib.request.HTTPPasswordMgrWithPriorAuth.is_authenticated() which allowed to \ 
bypass authorization. For example, access to URI example.org/foobar was allowed \ 
if the user was authorized for URI example.org/foo.
bpo-46400: expat: Update libexpat from 2.4.1 to 2.4.4
bpo-46474: In importlib.metadata.EntryPoint.pattern, avoid potential REDoS by \ 
limiting ambiguity in consecutive whitespace.
bpo-44849: Fix the os.set_inheritable() function on FreeBSD 14 for file \ 
descriptor opened with the O_PATH flag: ignore the EBADF error on ioctl(), \ 
fallback on the fcntl() implementation. Patch by Victor Stinner.

Documentation

bpo-41028: Language and version switchers, previously maintained in every \ 
cpython branches, are now handled by docsbuild-script.

Tests

bpo-45195: Fix test_readline.test_nonascii(): sometimes, the newline character \ 
is not written at the end, so don’t expect it in the output. Patch by Victor \ 
Stinner.
bpo-44949: Fix auto history tests of test_readline: sometimes, the newline \ 
character is not written at the end, so don’t expect it in the output.

Build

bpo-47024: Update Windows builds and macOS installer build to use OpenSSL 1.1.1n.
bpo-45405: Prevent internal configure error when running configure with recent \ 
versions of clang. Patch by David Bohman.
bpo-45220: Avoid building with the Windows 11 SDK previews automatically. This \ 
may be overridden by setting the DefaultWindowsSDKVersion environment variable \ 
before building.

Windows

bpo-44549: Update bzip2 to 1.0.8 in Windows builds to mitigate CVE-2016-3189 and \ 
CVE-2019-12900
bpo-46948: Prevent CVE-2022-26488 by ensuring the Add to PATH option in the \ 
Windows installer uses the correct path when being repaired.

macOS

bpo-44828: Avoid tkinter file dialog failure on macOS 12 Monterey when using the \ 
Tk 8.6.11 provided by python.org macOS installers. Patch by Marc Culler of the \ 
Tk project.

Log message:
lang: Replace RMD160 checksums with BLAKE2s checksums

All checksums have been double-checked against existing RMD160 and
SHA512 hashes

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