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Worst case quadratic complexity in HTMLParser

3.10only security fixesonly security fixes

3.11only security fixesonly security fixes

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

3.9only security fixesonly security fixes

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-securityA security issueA security issue

Status: Open.

#135462 In python/cpython;

· serhiy-storchaka opened on Jun 13, 2025

Parts of strings that look like comments being stripped out of nested strings with debug specifier

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#135148 In python/cpython;

· tom-pytel opened on Jun 4, 2025

A Series of Simple DOS Vulnerabilities

3.10only security fixesonly security fixes

3.11only security fixesonly security fixes

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

3.9only security fixesonly security fixes

stdlibPython modules in the Lib dirPython modules in the Lib dir

topic-email

topic-IDLE

topic-pathlib

type-securityA security issueA security issue

Status: Open.

#134873 In python/cpython;

· kexinoh opened on May 29, 2025

REPL: AttributeError: module <code>__mp_main__</code> has no attribute <code>is_prime</code> in <code>ProcessPoolExecutor</code> example

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

stdlibPython modules in the Lib dirPython modules in the Lib dir

topic-multiprocessing

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#132898 In python/cpython;

· wenming21 opened on Apr 25, 2025

Clarify the Purpose of the PyGILState API and Identify Better Alternatives

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-C-API

Status: Open.

#131267 In python/cpython;

· ericsnowcurrently opened on Mar 14, 2025

unexpected behavior of <code>datetime.astimezone</code> method

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

extension-modulesC modules in the Modules dirC modules in the Modules dir

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#130718 In python/cpython;

· donBarbos opened on Mar 1, 2025

<code>date.strftime</code> and <code>datetime.strftime</code> format dates wrong in some locales.

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

extension-modulesC modules in the Modules dirC modules in the Modules dir

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#130528 In python/cpython;

· petergraham opened on Feb 25, 2025

As of 3.12 <code>_lsprof</code> no longer calls <code>_PyEval_SetProfile</code> making <code>sys.getprofile()</code> useless with <code>cProfile</code>

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

extension-modulesC modules in the Modules dirC modules in the Modules dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#130377 In python/cpython;

· sivel opened on Feb 20, 2025

idlelib/News3.txt for 3.14.0 and backports

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

topic-IDLE

Status: Open.

#129876 In python/cpython;

· terryjreedy opened on Feb 9, 2025

Failed assertion in <code>_PyUnicode_Equal</code> from <code>calculate_suggestions</code> with non-string candidate

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#129573 In python/cpython;

· devdanzin opened on Feb 2, 2025

sys.setrecursionlimit no longer affecting pickle.dump

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

extension-modulesC modules in the Modules dirC modules in the Modules dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#128590 In python/cpython;

· Jiehong opened on Jan 7, 2025

<code>multiprocessing.Queue</code>: Exceeding a certain amount of bytes in the queue prevents proper exit

3.12only security fixesonly security fixes

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

extension-modulesC modules in the Modules dirC modules in the Modules dir

topic-multiprocessing

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#128186 In python/cpython;

· ebonnal opened on Dec 22, 2024