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Worst case quadratic complexity in HTMLParser

3.10only security fixesonly security fixes

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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

[CVE-2025-47273, CVE-2024-6345] in setuptools 67.6.1 bundled with Python 3.12 Runtime

3.10only security fixesonly security fixes

3.11only security fixesonly security fixes

3.9only security fixesonly security fixes

dependenciesPull requests that update a dependency filePull requests that update a dependency file

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

type-securityA security issueA security issue

Status: Open.

#135374 In python/cpython;

· Nishi-1412 opened on Jun 11, 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

TarFile.extractall(..., filter='tar') arbitrary file chmod

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

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

type-securityA security issueA security issue

Status: Open.

#127987 In python/cpython;

· jwilk opened on Dec 16, 2024

__class_getitem__ Unexpectedly Falls Back to the Metaclass

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

3.7 (EOL)end of lifeend of life

3.8 (EOL)end of lifeend of life

3.9only security fixesonly security fixes

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

topic-typing

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

Status: Open.

#122634 In python/cpython;

· ericsnowcurrently opened on Aug 3, 2024

Deadlock in Py_EndInterpreter following bpo-1596321: Fix threading._shutdown() for the main thread

3.10only security fixesonly security fixes

3.11only security fixesonly security fixes

3.9only security fixesonly security fixes

topic-subinterpreters

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

Status: Open.

#122517 In python/cpython;

· jdoc-sag opened on Jul 31, 2024

Missing audit events for <code>python -i</code> and <code>python -m asyncio</code>

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

3.8 (EOL)end of lifeend of life

3.9only security fixesonly security fixes

topic-replRelated to the interactive shellRelated to the interactive shell

type-securityA security issueA security issue

Status: Open.

#121957 In python/cpython;

· ambv opened on Jul 18, 2024

Disallow setting an empty list for NPN in CPython 3.9 and earlier

3.8 (EOL)end of lifeend of life

3.9only security fixesonly security fixes

type-securityA security issueA security issue

Status: Open.

#121227 In python/cpython;

· sethmlarson opened on Jul 1, 2024

OOM vulnerability in the CGI server on Windows

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

3.8 (EOL)end of lifeend of life

3.9only security fixesonly security fixes

stdlibPython modules in the Lib dirPython modules in the Lib dir

topic-IO

type-securityA security issueA security issue

Status: Open.

#119452 In python/cpython;

· serhiy-storchaka opened on May 23, 2024

Out-of-memory when reading a HTTP response with large Content-Lenght

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

3.8 (EOL)end of lifeend of life

3.9only security fixesonly security fixes

stdlibPython modules in the Lib dirPython modules in the Lib dir

topic-IO

type-securityA security issueA security issue

Status: Open.

#119451 In python/cpython;

· serhiy-storchaka opened on May 23, 2024

Quadratic complexity in the UTF-7 decoder

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

3.8 (EOL)end of lifeend of life

3.9only security fixesonly security fixes

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

topic-unicode

type-securityA security issueA security issue

Status: Open.

#119382 In python/cpython;

· serhiy-storchaka opened on May 22, 2024

Out-of-memory when loading a Plist

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

3.8 (EOL)end of lifeend of life

3.9only security fixesonly security fixes

type-securityA security issueA security issue

Status: Open.

#119342 In python/cpython;

· serhiy-storchaka opened on May 21, 2024