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* Python 3.8.15v3.8.15Łukasz Langa2022-10-116-14/+0
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* [3.8] gh-95778: Mention sys.set_int_max_str_digits() in error message ↵Miss Islington (bot)2022-10-041-0/+3
| | | | | | | | | | | | | | | (GH-96874) (GH-96877) (GH-97835) [3.9] gh-95778: Mention sys.set_int_max_str_digits() in error message (GH-96874) (GH-96877) When ValueError is raised if an integer is larger than the limit, mention sys.set_int_max_str_digits() in the error message. (cherry picked from commit e841ffc915e82e5ea6e3b473205417d63494808d) Co-authored-by: Ned Deily <nad@python.org> (cherry picked from commit 41188134bd2120f0cedd681ed88743c11c7f3742) Co-authored-by: Victor Stinner <vstinner@python.org>
* [3.8] gh-96848: Fix -X int_max_str_digits option parsing (GH-96988) (GH-97575)Miss Islington (bot)2022-10-041-0/+3
| | | | | | | | 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. (cherry picked from commit 41351662bcd21672d8ccfa62fe44d72027e6bcf8) Co-authored-by: Victor Stinner <vstinner@python.org>
* [3.8] gh-96577: Fixes buffer overrun in _msi module (GH-96633) (GH-96658)Miss Islington (bot)2022-10-041-0/+1
| | | | | | gh-96577: Fixes buffer overrun in _msi module (GH-96633) (cherry picked from commit 4114bcc9ef7595a07196bcecf9c7d6d39f57f64d) Co-authored-by: Steve Dower <steve.dower@python.org>
* [3.8] gh-97005: Update libexpat from 2.4.7 to 2.4.9 (gh-97006) (gh-97013)Miss Islington (bot)2022-10-041-0/+1
| | | | | | | | gh-97005: Update libexpat from 2.4.7 to 2.4.9 (gh-97006) Co-authored-by: Gregory P. Smith [Google] <greg@krypto.org> (cherry picked from commit 10e3d398c31cc1695752fc52bc6ca2ce9ef6237e) Co-authored-by: Dong-hee Na <donghee.na@python.org>
* [3.8] gh-97616: list_resize() checks for integer overflow (GH-97617) (GH-97628)Miss Islington (bot)2022-10-041-0/+3
| | | | | | | | | | | | | gh-97616: list_resize() checks for integer overflow (GH-97617) 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. list_resize() now checks for integer overflow before multiplying the new allocated length by the list item size (sizeof(PyObject*)). (cherry picked from commit a5f092f3c469b674b8d9ccbd4e4377230c9ac7cf) Co-authored-by: Victor Stinner <vstinner@python.org>
* [3.8] gh-97612: Fix shell injection in get-remote-certificate.py (GH-97613) ↵Miss Islington (bot)2022-10-041-0/+3
| | | | | | | | | | | | | | | | (GH-97633) 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. Remove the Windows code path to send "quit" on stdin to the "openssl s_client" command: use DEVNULL on all platforms instead. Co-authored-by: Caleb Shortt <caleb@rgauge.com> (cherry picked from commit 83a0f44ffd8b398673ae56c310cf5768d359c341) Co-authored-by: Victor Stinner <vstinner@python.org>
* Python 3.8.14v3.8.14Łukasz Langa2022-09-0611-33/+0
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* [3.8] gh-95778: CVE-2020-10735: Prevent DoS by very large int() (#96503)Gregory P. Smith2022-09-051-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Correctly pre-check for int-to-str conversion Converting a large enough `int` to a decimal string raises `ValueError` as expected. However, the raise comes _after_ the quadratic-time base-conversion algorithm has run to completion. For effective DOS prevention, we need some kind of check before entering the quadratic-time loop. Oops! =) The quick fix: essentially we catch _most_ values that exceed the threshold up front. Those that slip through will still be on the small side (read: sufficiently fast), and will get caught by the existing check so that the limit remains exact. The justification for the current check. The C code check is: ```c max_str_digits / (3 * PyLong_SHIFT) <= (size_a - 11) / 10 ``` In GitHub markdown math-speak, writing $M$ for `max_str_digits`, $L$ for `PyLong_SHIFT` and $s$ for `size_a`, that check is: $$\left\lfloor\frac{M}{3L}\right\rfloor \le \left\lfloor\frac{s - 11}{10}\right\rfloor$$ From this it follows that $$\frac{M}{3L} < \frac{s-1}{10}$$ hence that $$\frac{L(s-1)}{M} > \frac{10}{3} > \log_2(10).$$ So $$2^{L(s-1)} > 10^M.$$ But our input integer $a$ satisfies $|a| \ge 2^{L(s-1)}$, so $|a|$ is larger than $10^M$. This shows that we don't accidentally capture anything _below_ the intended limit in the check. <!-- gh-issue-number: gh-95778 --> * Issue: gh-95778 <!-- /gh-issue-number --> Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org> Co-authored-by: Christian Heimes <christian@python.org> Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* [3.8] gh-94208: Add more TLS version/protocol checks for FreeBSD (GH-94347) ↵Łukasz Langa2022-07-271-0/+2
| | | | | | | | (GH-95313) Three test cases were failing on FreeBSD with latest OpenSSL. (cherry picked from commit 1bc86c26253befa006c0f52eebb6ed633c7d1e5c) Co-authored-by: Christian Heimes <christian@python.org>
* [3.8] gh-90355: Add isolated flag if currently isolated (GH-92857) (GH-94571)Łukasz Langa2022-07-051-0/+1
| | | | | | | Co-authored-by: Carter Dodd <carter.dodd@gmail.com> Co-authored-by: Éric <merwok@netwok.org> Co-authored-by: Łukasz Langa <lukasz@langa.pl> (cherry picked from commit c8556bcf6c0b05ac46bd74880626a2853e7c99a1)
* gh-91172: Create a workflow for verifying bundled pip and setuptools ↵Miss Islington (bot)2022-06-221-0/+2
| | | | | | | | | (GH-31885) (GH-94124) Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com> Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com> (cherry picked from commit d36954b7ead06daead3dcf9b0dd9f8002eab508f) Co-authored-by: Illia Volochii <illia.volochii@gmail.com>
* gh-87389: Fix an open redirection vulnerability in http.server. (GH-93879) ↵Miss Islington (bot)2022-06-221-0/+3
| | | | | | | | | | | | | (GH-94094) Fix an open redirection vulnerability in the `http.server` module when an URI path starts with `//` that could produce a 301 Location header with a misleading target. Vulnerability discovered, and logic fix proposed, by Hamza Avvan (@hamzaavvan). Test and comments authored by Gregory P. Smith [Google]. (cherry picked from commit 4abab6b603dd38bec1168e9a37c40a48ec89508e) Co-authored-by: Gregory P. Smith <greg@krypto.org>
* bpo-46114: Fix OpenSSL version check for 3.0.1 (GH-30170) (GH-92954)Victor Stinner2022-06-061-0/+1
| | | | | (cherry picked from commit 2985feac4e02d590bb78bcce9e30864be53280ac) Co-authored-by: Christian Heimes <christian@python.org>
* [3.8] gh-93065: Fix HAMT to iterate correctly over 7-level deep trees ↵Łukasz Langa2022-05-241-0/+5
| | | | | | | | | | | | (GH-93066) (#93148) Also while there, clarify a few things about why we reduce the hash to 32 bits. Co-authored-by: Eli Libman <eli@hyro.ai> Co-authored-by: Yury Selivanov <yury@edgedb.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl> (cherry picked from commit c1f5c903a7e4ed27190488f4e33b00d3c3d952e5)
* [3.8] gh-80254: Disallow recursive usage of cursors in sqlite3 converters ↵Erlend Egeberg Aasland2022-05-161-0/+2
| | | | | | | | | (#92333) (cherry picked from commit c908dc5b4798c311981bd7e1f7d92fb623ee448b) Co-authored-by: Sergey Fedoseev <fedoseev.sergey@gmail.com> Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
* bpo-47194: Update zlib to v1.2.12 on Windows to resolve CVE-2018-25032 ↵Miss Islington (bot)2022-05-161-0/+1
| | | | | | | (GH-32241) (GH-32250) (cherry picked from commit 6066739ff7794e54c98c08b953a699cbc961cd28) Co-authored-by: Zachary Ware <zach@python.org>
* [3.8] gh-91888: add a `:gh:` role to the documentation (GH-91889) (#91936)Ezio Melotti2022-05-101-0/+1
| | | | | | | | | | | | | | | | | | | | * gh-91888: Add a :gh: role to the documentation (GH-91889). * [3.8] gh-91888: add a `:gh:` role to the documentation (GH-91889) * Add a new :gh:`...` role for GitHub issues. * Fix a GitHub id to use the :gh: role. * Add Misc/NEWS entry. * Refactoring and rephrasing. Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>. (cherry picked from commit f7641a2ffec243e5f600028a84debe9028a9ee44) Co-authored-by: Ezio Melotti <ezio.melotti@gmail.com> * Fix use of the default role in NEWS entry
* [3.8] bpo-47138: Fix documentation build by pinning Jinja version to 3.0.3 ↵m-aciek2022-04-081-0/+1
| | | | | (GH-32109) Co-authored-by: Ned Deily <nad@python.org>
* Python 3.8.13Łukasz Langa2022-03-1518-37/+0
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* [3.8] bpo-47024: Update Windows builds and macOS installer build to use ↵Ned Deily2022-03-151-0/+1
| | | | | | | OpenSSL 1.1.1n. (GH-31912) * bpo-47024: Update Windows builds and macOS installer build to use OpenSSL 1.1.1n. * Revert inadvertent sqlite downgrade
* bpo-46985: Upgrade bundled pip to 22.0.4 (GH-31819) (GH-31851)Ned Deily2022-03-151-0/+1
| | | | | (cherry picked from commit d87f1b787ed38dfd307d82452f2efe9dc5b93942) Co-authored-by: Pradyun Gedam <pgedam@bloomberg.net>
* bpo-45405: Prevent internal configure error when running configure with ↵Ned Deily2022-03-151-0/+2
| | | | | | | | | | | | | | | | | | recent versions of clang. (GH-28845) (GH-31889) Change the configure logic to function properly on macOS when the compiler outputs a platform triplet for option --print-multiarch. The Apple Clang included with Xcode 13.3 now supports --print-multiarch causing configure to fail without this change. Co-authored-by: Ned Deily <nad@python.org> (cherry picked from commit 9c4766772cda67648184f8ddba546a5fc0167f91) Co-authored-by: David Bohman <debohman@gmail.com> Automerge-Triggered-By: GH:ned-deily (cherry picked from commit 9901d153c201d852d27dc9d3074e283c26468f6d) Co-authored-by: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
* bpo-46784: Add newly exported expat symbols to the namespace. (GH-31397) ↵Miss Islington (bot)2022-03-081-0/+1
| | | | | | | | | | | | | | | | | | | | (GH-31419) The libexpat 2.4.1 upgrade from introduced the following new exported symbols: * `testingAccountingGetCountBytesDirect` * `testingAccountingGetCountBytesIndirect` * `unsignedCharToPrintable` * `XML_SetBillionLaughsAttackProtectionActivationThreshold` * `XML_SetBillionLaughsAttackProtectionMaximumAmplification` We need to adjust [Modules/expat/pyexpatns.h](https://github.com/python/cpython/blob/master/Modules/expat/pyexpatns.h) (The newer libexpat upgrade has no new symbols). Automerge-Triggered-By: GH:gpshead (cherry picked from commit 6312c1052c0186b4596fc45c42fd3ade9f8f5911) Co-authored-by: Yilei "Dolee" Yang <yileiyang@google.com>
* bpo-44549: Update bzip2 to 1.0.8 in Windows builds to mitigate CVE-2016-3189 ↵Steve Dower2022-03-081-0/+2
| | | | and CVE-2019-12900 (GH-31732) (GH-31734)
* bpo-46948: Fix CVE-2022-26488 by ensuring the Windows Installer correctly ↵Steve Dower2022-03-081-0/+2
| | | | uses the install path during repair (GH-31729)
* bpo-46932: Update bundled libexpat to 2.4.7 (GH-31736) (GH-31740)Miss Islington (bot)2022-03-081-0/+1
| | | | | (cherry picked from commit 176835c3d5c70f4c1b152cc2062b549144e37094) Co-authored-by: Steve Dower <steve.dower@python.org>
* bpo-46756: Fix authorization check in urllib.request (GH-31353) (GH-31572)Miss Islington (bot)2022-03-021-0/+5
| | | | | | | | | | | 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". (cherry picked from commit e2e72567a1c94c548868f6ee5329363e6036057a) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-46794: Bump up the libexpat version into 2.4.6 (GH-31487) (GH-31520)Miss Islington (bot)2022-03-021-0/+1
| | | | | (cherry picked from commit 1935e1cc284942bec8006287c939e295e1a7bf13) Co-authored-by: Dong-hee Na <donghee.na@python.org>
* bpo-46811: Make test suite support Expat >=2.4.5 (GH-31453)Sebastian Pipping2022-02-221-0/+1
| | | | | | | | | | | | | | | | | | | | Curly brackets were never allowed in namespace URIs according to RFC 3986, and so-called namespace-validating XML parsers have the right to reject them a invalid URIs. libexpat >=2.4.5 has become strcter in that regard due to related security issues; with ET.XML instantiating a namespace-aware parser under the hood, this test has no future in CPython. References: - https://datatracker.ietf.org/doc/html/rfc3968 - https://www.w3.org/TR/xml-names/ Also, test_minidom.py: Support Expat >=2.4.5 (cherry picked from commit 2cae93832f46b245847bdc252456ddf7742ef45e) Co-authored-by: Sebastian Pipping <sebastian@pipping.org>
* bpo-46400: Update libexpat from 2.4.1 to 2.4.4 (GH-31022) (GH-31297)Dong-hee Na2022-02-211-0/+1
| | | Co-authored-by: Cyril Jouve <jv.cyril@gmail.com>
* bpo-41028: Doc: Move switchers to docsbuild-scripts. (GH-20969) (GH-30344)Miss Islington (bot)2022-02-171-0/+2
| | | | | (cherry picked from commit ee2549c2ba8bae00f2b2fea8a39c6dfbd1d06520) Co-authored-by: Julien Palard <julien@palard.fr>
* bpo-44949: Fix test_readline auto history tests (GH-27813) (GH-31118)Miss Islington (bot)2022-02-171-0/+2
| | | | | (cherry picked from commit 6fb62b42f4db56ed5efe0ca4c1059049276c1083) Co-authored-by: Victor Stinner <vstinner@python.org>
* [3.8] bpo-46474: Avoid REDoS in EntryPoint.pattern (sync with ↵Jason R. Coombs2022-02-141-0/+2
| | | | | | | importlib_metadata 4.10.1) (GH-30803). (#30829) (cherry picked from commit 51c3e28c8a163e58dc753765e3cc51d5a717e70d) Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
* bpo-44828: Avoid tkinter file dialog failure on macOS 12 Monterey (GH-29276) ↵Miss Islington (bot)2021-10-281-0/+3
| | | | | | | | | (GH-29279) when using the Tk 8.6.11 provided by python.org macOS installers. Patch by Marc Culler of the Tk project. (cherry picked from commit be8318be05e1a874215fa75b8845ede74b2c69b6) Co-authored-by: Ned Deily <nad@python.org>
* bpo-44849: Fix os.set_inheritable() on FreeBSD 14 with O_PATH (GH-27623) ↵Miss Islington (bot)2021-10-191-0/+4
| | | | | | | | | | (GH-28978) 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. (cherry picked from commit c24896c0e3b32c8a9f614ef51366007b67d5c665) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-45195: Fix test_readline.test_nonascii() (GH-28329) (GH-28984)Miss Islington (bot)2021-10-191-0/+3
| | | | | | | Fix test_readline.test_nonascii(): sometimes, the newline character is not written at the end, so don't expect it in the output. (cherry picked from commit 797c8eb9ef511f0c25f10a453b35c4d2fe383c30) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-45220: Avoid automatically selecting the Windows 11 SDK preview when ↵Miss Islington (bot)2021-09-291-0/+3
| | | | | | | building (GH-28393) (GH-28622) (cherry picked from commit f4b94b1f57827083990272b5f282aa1493ae2bf4) Co-authored-by: Steve Dower <steve.dower@python.org>
* Python 3.8.12v3.8.12Łukasz Langa2021-08-3012-28/+0
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* bpo-45007: Update macOS installer builds to use OpenSSL 1.1.1l (GH-28051) ↵Miss Islington (bot)2021-08-301-0/+1
| | | | | | | (GH-28059) (cherry picked from commit 94b2639fad50d7ff8acd12c11e5fe5f9a6e1da5c) Co-authored-by: Ned Deily <nad@python.org>
* bpo-44689: ctypes.util.find_library() now finds macOS 11+ system libraries ↵Miss Islington (bot)2021-08-301-0/+5
| | | | | | | | when built on older macOS systems (GH-27251) (GH-28054) Previously, when built on older macOS systems, `find_library` was not able to find macOS system libraries when running on Big Sur due to changes in how system libraries are stored. (cherry picked from commit 71853a73024a98aa38a3c0444fe364dbd9709134) Co-authored-by: Tobias Bergkvist <tobias@bergkv.ist>
* [3.8] bpo-45007: Update to OpenSSL 1.1.1l in Windows build and CI (GH-28009) ↵Łukasz Langa2021-08-291-0/+1
| | | | | | | | (GH-28041) (cherry picked from commit d3bdbbf9a4352a24fc2bfc7a63a024b244b61aba) Co-authored-by: Steve Dower <steve.dower@python.org>
* [3.8] bpo-43124: Fix smtplib multiple CRLF injection (GH-25987) (GH-28036)Miss Islington (bot)2021-08-291-0/+2
| | | | | | | Co-authored-by: Łukasz Langa <lukasz@langa.pl> (cherry picked from commit 0897253f426068ea6a6fbe0ada01689af9ef1019) Co-authored-by: Miguel Brito <5544985+miguendes@users.noreply.github.com>
* bpo-44394: Update libexpat copy to 2.4.1 (GH-26945) (GH-28033)Miss Islington (bot)2021-08-291-0/+3
| | | | | | | | | | Update the vendored copy of libexpat to 2.4.1 (from 2.2.8) to get the fix for the CVE-2013-0340 "Billion Laughs" vulnerability. This copy is most used on Windows and macOS. Co-authored-by: Łukasz Langa <lukasz@langa.pl> (cherry picked from commit 3fc5d84046ddbd66abac5b598956ea34605a4e5d) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-42278: Use tempfile.TemporaryDirectory rather than tempfile.mktemp in ↵Miss Islington (bot)2021-08-291-0/+2
| | | | | | | | pydoc (GH-23200) (GH-28026) Co-authored-by: Łukasz Langa <lukasz@langa.pl> (cherry picked from commit c9227df5a9d8e958a2324cf0deba8524d1ded26a) Co-authored-by: E-Paine <63801254+E-Paine@users.noreply.github.com>
* bpo-45001: Make email date parsing more robust against malformed input ↵Miss Islington (bot)2021-08-261-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (GH-27946) (GH-27974) Various date parsing utilities in the email module, such as email.utils.parsedate(), are supposed to gracefully handle invalid input, typically by raising an appropriate exception or by returning None. The internal email._parseaddr._parsedate_tz() helper used by some of these date parsing routines tries to be robust against malformed input, but unfortunately it can still crash ungracefully when a non-empty but whitespace-only input is passed. This manifests as an unexpected IndexError. In practice, this can happen when parsing an email with only a newline inside a ‘Date:’ header, which unfortunately happens occasionally in the real world. Here's a minimal example: $ python Python 3.9.6 (default, Jun 30 2021, 10:22:16) [GCC 11.1.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import email.utils >>> email.utils.parsedate('foo') >>> email.utils.parsedate(' ') Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/lib/python3.9/email/_parseaddr.py", line 176, in parsedate t = parsedate_tz(data) File "/usr/lib/python3.9/email/_parseaddr.py", line 50, in parsedate_tz res = _parsedate_tz(data) File "/usr/lib/python3.9/email/_parseaddr.py", line 72, in _parsedate_tz if data[0].endswith(',') or data[0].lower() in _daynames: IndexError: list index out of range The fix is rather straight-forward: guard against empty lists, after splitting on whitespace, but before accessing the first element. (cherry picked from commit 989f6a3800f06b2bd31cfef7c3269a443ad94fac) Co-authored-by: wouter bolsterlee <wouter@bolsterl.ee>
* [3.8] bpo-36384: [doc] Correct typos in CVE-2021-29921 fix description ↵Łukasz Langa2021-08-191-1/+1
| | | | (GH-27825)
* [3.8] bpo-36384: Leading zeros in IPv4 addresses are no longer tolerated ↵achraf-mer2021-08-171-0/+6
| | | | | | | | | | | | (GH-25099) (GH-27801) Reverts commit e653d4d8e820a7a004ad399530af0135b45db27a and makes parsing even more strict. Like socket.inet_pton() any leading zero is now treated as invalid input. Signed-off-by: Christian Heimes <christian@python.org> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* [3.8] bpo-33930: Fix segfault with deep recursion when cleaning method ↵Łukasz Langa2021-08-111-0/+2
| | | | | | | objects (GH-27678) (GH-27721) (cherry picked from commit bfc2d5a5c4550ab3a2fadeb9459b4bd948ff61a2) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* bpo-44872: use new trashcan macros in framobject.c (GH-27683) (GH-27692)Irit Katriel2021-08-101-0/+1
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