BIT-LIBPYTHON-2026-12345 Race condition in tempfile.TemporaryDirectory cleanup allows deleting files outside the temporary directory

The cleanup of tempfile.TemporaryDirectory is vulnerable to a race condition. An attacker who can modify the tree during cleanup can replace a directory with a symbolic link, causing files outside of the temporary directory to be deleted or have their permissions and file flags reset, with the...

BIT-LIBPYTHON-2023-33595

CPython v3.12.0 alpha 7 was discovered to contain a heap use-after-free via the function asciidecode at /Objects/unicodeobject.c...