[Security-announce][CVE-2024-6232] Regular-expression DoS when parsing TarFile headers

There is a MEDIUM severity vulnerability affecting CPython.

Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.

Please see the linked CVE ID for the latest information on affected versions:

• https://www.cve.org/CVERecord?id=CVE-2024-6232
• https://github.com/python/cpython/pull/121286