Issues

subprocess.run(timeout=N) on Windows can hang forever after the timeout kill: reader-thread join waits on inherited pipe handles

python/cpython#160988 · by was closed

on Oct 30, 2026

· Duplicate

concurrent.interpreters Queue truncates fractional timeouts with int() (and accepts negative fractional timeouts)

python/cpython#160949 · by was closed

on Oct 30, 2026

· Duplicate

1

zipfile reads only the first frame of a multi-frame Zstandard member

python/cpython#160842 · by was closed

on Oct 28, 2026

· Duplicate

1

textwrap.wrap() can hang when initial_indent or subsequent_indent is longer than width

python/cpython#160558 · by was closed

on Oct 24, 2026

· Duplicate

_pyio buffered classes raise AttributeError after detach() instead of ValueError

python/cpython#160472 · by was closed

on Oct 23, 2026

· Duplicate

1

Sampling profiler flamegraph HTML does not escape `</script>` in embedded profile data

python/cpython#159640 · by was closed

on Oct 19, 2026

· Duplicate

1

The REPL corrupts and redacts pasted tab-indented code.

python/cpython#159478 · by was closed

on Oct 15, 2026

· Duplicate

1

"concurrent.interpreters.Queue" is insuficiently documented

python/cpython#159217 · by was closed

on Oct 12, 2026

· Duplicate

2

_asyncio.FutureIter crashes when advanced after close()

python/cpython#159099 · by was closed

on Oct 11, 2026

· Duplicate

1

tar_filter behavior with links outside the destination is not clearly documented

python/cpython#158970 · by was closed

on Oct 7, 2026

· Duplicate

3

sqlite3: Connection.close() inside callback UAF

python/cpython#158908 · by was closed

on Oct 6, 2026

· Duplicate

1

REPL throws when `sys.ps1` is not a string

python/cpython#158827 · by was closed

on Oct 5, 2026

· Duplicate

5

Segmentation fault in __lazy_import__ with non-string fromlist item

python/cpython#158637 · by was closed

on Oct 3, 2026

· Duplicate

1

Some IDLE menu bar commands hang running under macOS 27

python/cpython#158587 · by was closed

on Oct 2, 2026

· Duplicate

2

urllib.parse.urlparse identifies incorrect hostname when URL contains backslash

python/cpython#158231 · by was closed

on Sep 26, 2026

· Duplicate

sqlite3: _completer raises OperationalError when an attached database name contains a double quote

python/cpython#158215 · by was closed

on Sep 26, 2026

· Duplicate

Use-after-free in asyncio Task.get_name() when a finalizer logs while the lazy name is formatted

python/cpython#158158 · by was closed

on Sep 25, 2026

· Duplicate

Documentation Bug in Language Reference 6.2.4

python/cpython#157365 · by was closed

on Sep 12, 2026

· Duplicate

1

_test_multiprocessing._kill_process() uses a fixed 10 s alarm, failing on slow builds

python/cpython#157184 · by was closed

on Oct 22, 2026

· Duplicate

1

Modifying an object passed to a mocked function corrupts call_args_list

python/cpython#157057 · by was closed

on Sep 7, 2026

· Duplicate

2

`asyncio.print_call_graph()` loses the call stack at `aiter(callable, stop_value)`

python/cpython#157044 · by was closed

on Sep 19, 2026

· Duplicate

3

`asyncio.print_call_graph()` loses the call stack at anext(agen, default)

python/cpython#157032 · by was closed

on Sep 19, 2026

· Duplicate

2

struct.pack() doesn't checks overflows for native 'Zf' format type

python/cpython#156867 · by was closed

on Sep 3, 2026

· Duplicate

1

array.array() setter incorrectly handle overflows for 'e' type code

python/cpython#156864 · by was closed

on Sep 3, 2026

· Duplicate

3

UAF in json

python/cpython#156859 · by was closed

on Sep 3, 2026

· Duplicate

3

Navigation Menu

Repository navigation

Issues

subprocess.run(timeout=N) on Windows can hang forever after the timeout kill: reader-thread join waits on inherited pipe handles

concurrent.interpreters Queue truncates fractional timeouts with int() (and accepts negative fractional timeouts)

zipfile reads only the first frame of a multi-frame Zstandard member

textwrap.wrap() can hang when initial_indent or subsequent_indent is longer than width

_pyio buffered classes raise AttributeError after detach() instead of ValueError

Sampling profiler flamegraph HTML does not escape `</script>` in embedded profile data

The REPL corrupts and redacts pasted tab-indented code.

"concurrent.interpreters.Queue" is insuficiently documented

_asyncio.FutureIter crashes when advanced after close()

tar_filter behavior with links outside the destination is not clearly documented

sqlite3: Connection.close() inside callback UAF

REPL throws when `sys.ps1` is not a string

Segmentation fault in __lazy_import__ with non-string fromlist item

Some IDLE menu bar commands hang running under macOS 27

urllib.parse.urlparse identifies incorrect hostname when URL contains backslash

sqlite3: _completer raises OperationalError when an attached database name contains a double quote

Use-after-free in asyncio Task.get_name() when a finalizer logs while the lazy name is formatted

Documentation Bug in Language Reference 6.2.4

_test_multiprocessing._kill_process() uses a fixed 10 s alarm, failing on slow builds

Modifying an object passed to a mocked function corrupts call_args_list

`asyncio.print_call_graph()` loses the call stack at `aiter(callable, stop_value)`

`asyncio.print_call_graph()` loses the call stack at anext(agen, default)

struct.pack() doesn't checks overflows for native 'Zf' format type

array.array() setter incorrectly handle overflows for 'e' type code

UAF in json