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September 2024

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[CVE-2024-6232] Regular-expression DoS when parsing TarFile headers
by Seth Larson 03 Sep '24

03 Sep '24

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

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