Search results

Crash (use-after-free) in odictiter_new when an OrderedDict is concurrently iterated and updated/cleared

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

Status: Open.

#151627 In python/cpython;

· Naserume opened on Jun 18, 2026

Some tests fail when __pycache__ prefix is set

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

Status: Open.

#151626 In python/cpython;

· ringobanana-3900 opened on Jun 18, 2026

Improve curses documentation

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixes

3.16new features, bugs and security fixesnew features, bugs and security fixes

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#151623 In python/cpython;

· serhiy-storchaka opened on Jun 18, 2026

3.15.0b2, openSUSE/Factory, s390x: failing test: test_os (test_timerfd_ns_poll)

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

Status: Open.

#151622 In python/cpython;

· mcepl opened on Jun 18, 2026

Non-module namespaces don't watch for lazy imports

3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixes

3.16new features, bugs and security fixesnew features, bugs and security fixes

topic-lazy-imports

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

Status: Open.

#151619 In python/cpython;

· brandtbucher opened on Jun 18, 2026

xml.etree.ElementTree: missing nesting depth limit allows DoS via deeply nested XML

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

Status: Open.

#151618 In python/cpython;

· NaveenKumarG-dev opened on Jun 18, 2026

asyncio: _accept_connection keeps looping after a resource error, causing duplicate _start_serving reschedules

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-asyncio

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

Status: Open.

#151615 In python/cpython;

· deadlovelll opened on Jun 17, 2026

_remote_debugging frame cache can reuse stale frame anchors

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

topic-profiling

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

Status: Open.

#151613 In python/cpython;

· pablogsal opened on Jun 17, 2026

3.15.0b2, openSUSE/Factory, i586: failing test: test_c_stack_unwind (specifically test_manual_unwind_finds_expected_frames)

testsTests in the Lib/test dirTests in the Lib/test dir

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

Status: Open.

#151602 In python/cpython;

· mcepl opened on Jun 17, 2026

_pyio.TextIOBase.read is missing a size arg

pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is provided

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-IO

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

Status: Open.

#151596 In python/cpython;

· ShaharNaveh opened on Jun 17, 2026

test_abc hangs on TSan Parallel Test on Free Threading

testsTests in the Lib/test dirTests in the Lib/test dir

topic-free-threading

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

Status: Open.

#151593 In python/cpython;

· vstinner opened on Jun 17, 2026

_remote_debugging/module.c defines Py_MOD_GIL_NOT_USED twice

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

type-refactorCode refactoring (with no changes in behavior)Code refactoring (with no changes in behavior)

Status: Open.

#151584 In python/cpython;

· sobolevn opened on Jun 17, 2026