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Message-ID: <96ec222e-8e99-4be3-a35a-457ca7e2815a@oracle.com>
Date: Sat, 7 Sep 2024 11:16:09 -0700
From: Alan Coopersmith <alan.coopersmith@...cle.com>
To: oss-security@...ts.openwall.com
Subject: Security fixes available in Python 3.13.0RC2, 3.12.6, 3.11.10,
3.10.15, 3.9.20, and 3.8.20
https://mail.python.org/archives/list/python-announce-list@python.org/thread/N6H2D7I752UM3VZ37AVSBOC3CAGAMUX6/
announces the release of new versions of python for the 3.8 through 3.13 trains,
including the following security content:
> gh-123678 <https://github.com/python/cpython/issues/123678> and
> gh-116741 <https://github.com/python/cpython/issues/116741>:
> Upgrade bundled libexpat to 2.6.3 to fix
> CVE-2024-28757 <https://github.com/advisories/GHSA-ch5v-h69f-mxc8>,
> CVE-2024-45490 <https://github.com/advisories/GHSA-4hvh-m426-wv8w>,
> CVE-2024-45491 <https://github.com/advisories/GHSA-784x-7qm2-gp97> and
> CVE-2024-45492 <https://github.com/advisories/GHSA-5qxm-qvmj-8v79>.
>
> gh-118486 <https://github.com/python/cpython/issues/118486>:
> os.mkdir() <https://docs.python.org/3/library/os.html#os.mkdir> on Windows
> now accepts mode of 0o700 to restrict the new directory to the current user.
> This fixes CVE-2024-4030 affecting tempfile.mkdtemp()
> <https://docs.python.org/3/library/tempfile.html#tempfile.mkdtemp> in scenarios
> where the base temporary directory is more permissive than the default.
>
> gh-123067 <https://github.com/python/cpython/issues/123067>:
> Fix quadratic complexity in parsing "-quoted cookie values with backslashes
> by http.cookies
> <https://docs.python.org/3/library/http.cookies.html#module-http.cookies>.
> Fixes CVE-2024-7592.
>
> gh-113171 <https://github.com/python/cpython/issues/113171>:
> Fixed various false positives and false negatives in IPv4Address.is_private,
> IPv4Address.is_global, IPv6Address.is_private, IPv6Address.is_global.
> Fixes CVE-2024-4032.
>
> gh-67693 <https://github.com/python/cpython/issues/67693>:
> Fix urllib.parse.urlunparse()
> <https://docs.python.org/3/library/urllib.parse.html#urllib.parse.urlunparse>
> and urllib.parse.urlunsplit()
> <https://docs.python.org/3/library/urllib.parse.html#urllib.parse.urlunsplit>
> for URIs with path starting with multiple slashes and no authority.
> Fixes CVE-2015-2104.
>
> gh-121957 <https://github.com/python/cpython/issues/121957>:
> Fixed missing audit events around interactive use of Python, now also properly
> firing for python -i, as well as for python -m asyncio. The event in question
> is cpython.run_stdin.
>
> gh-122133 <https://github.com/python/cpython/issues/122133>:
> Authenticate the socket connection for the socket.socketpair() fallback on
> platforms where AF_UNIX is not available like Windows.
>
> gh-121285 <https://github.com/python/cpython/issues/121285>:
> Remove backtracking from tarfile header parsing for hdrcharset, PAX,
> and GNU sparse headers. That’s CVE-2024-6232.
>
> gh-114572 <https://github.com/python/cpython/issues/114572>:
> ssl.SSLContext.cert_store_stats()
> <https://docs.python.org/3/library/ssl.html#ssl.SSLContext.cert_store_stats>
> and ssl.SSLContext.get_ca_certs()
> <https://docs.python.org/3/library/ssl.html#ssl.SSLContext.get_ca_certs>
> now correctly lock access to the certificate store, when the ssl.SSLContext
> <https://docs.python.org/3/library/ssl.html#ssl.SSLContext> is shared across
> multiple threads.
>
> gh-102988 <https://github.com/python/cpython/issues/102988>:
> email.utils.getaddresses()
> <https://docs.python.org/3/library/email.utils.html#email.utils.getaddresses>
> and email.utils.parseaddr()
> <https://docs.python.org/3/library/email.utils.html#email.utils.parseaddr>
> now return ('', '') 2-tuples in more situations where invalid email addresses
> are encountered instead of potentially inaccurate values. Add optional strict
> parameter to these two functions: use strict=False to get the old behavior,
> accept malformed inputs. getattr(email.utils, 'supports_strict_parsing', False)
> can be use to check if the strict paramater is available.
> This improves the CVE-2023-27043 fix.
>
> gh-123270 <https://github.com/python/cpython/issues/123270>:
> Sanitize names in zipfile.Path
> <https://docs.python.org/3/library/zipfile.html#zipfile.Path> to avoid
> infinite loops (gh-122905 <https://github.com/python/cpython/issues/122905>)
> without breaking contents using legitimate characters. That’s CVE-2024-8088.
>
> gh-121650 <https://github.com/python/cpython/issues/121650>:
> email <https://docs.python.org/3/library/email.html#module-email> headers with
> embedded newlines are now quoted on output. The generator
> <https://docs.python.org/3/library/email.generator.html#module-email.generator>
> will now refuse to serialize (write) headers that are unsafely folded or
> delimited; see verify_generated_headers
> <https://docs.python.org/3/library/email.policy.html#email.policy.Policy.verify_generated_headers>.
> That’s CVE-2024-6923.
>
> gh-119690 <https://github.com/python/cpython/issues/119690>:
> Fixes data type confusion in audit events raised by _winapi.CreateFile and
> _winapi.CreateNamedPipe.
>
> gh-116773 <https://github.com/python/cpython/issues/116773>:
> Fix instances of <_overlapped.Overlapped object at 0xXXX> still has
> pending operation at deallocation, the process may crash.
>
> gh-112275 <https://github.com/python/cpython/issues/112275>:
> A deadlock involving pystate.c’s HEAD_LOCK in posixmodule.c at fork is now fixed.
> Stay safe and upgrade!
>
> Upgrading is highly recommended to all users of affected versions.
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