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Assigner | PSF |
Reserved | 2024-06-20 |
Published | 2024-09-03 |
Updated | 2024-09-07 |
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.
CWE-1333 Inefficient Regular Expression Complexity
Elias Joakim Myllymäki
Seth Larson
Seth Larson
Gregory P. Smith
https://github.com/python/cpython/pull/121286
https://github.com/python/cpython/issues/121285
https://mail.python.org/archives/list/security-announce@python.org/thread/JRYFTPRHZRTLMZLWQEUHZSJXNHM4ACTY/
https://github.com/python/cpython/commit/4eaf4891c12589e3c7bdad5f5b076e4c8392dd06
https://github.com/python/cpython/commit/743acbe872485dc18df4d8ab2dc7895187f062c4
https://github.com/python/cpython/commit/d449caf8a179e3b954268b3a88eb9170be3c8fbf
https://github.com/python/cpython/commit/ed3a49ea734ada357ff4442996fd4ae71d253373
https://github.com/python/cpython/commit/7d1f50cd92ff7e10a1c15a8f591dde8a6843a64d
https://github.com/python/cpython/commit/b4225ca91547aa97ed3aca391614afbb255bc877