AI Score
Confidence
High
EPSS
Percentile
44.5%
SSVC
Exploitation
none
Automatable
no
Technical Impact
partial
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.
github.com/python/cpython/commit/4eaf4891c12589e3c7bdad5f5b076e4c8392dd06
github.com/python/cpython/commit/743acbe872485dc18df4d8ab2dc7895187f062c4
github.com/python/cpython/commit/7d1f50cd92ff7e10a1c15a8f591dde8a6843a64d
github.com/python/cpython/commit/b4225ca91547aa97ed3aca391614afbb255bc877
github.com/python/cpython/commit/d449caf8a179e3b954268b3a88eb9170be3c8fbf
github.com/python/cpython/commit/ed3a49ea734ada357ff4442996fd4ae71d253373
github.com/python/cpython/issues/121285
github.com/python/cpython/pull/121286
mail.python.org/archives/list/[email protected]/thread/JRYFTPRHZRTLMZLWQEUHZSJXNHM4ACTY/