Description (CNA)
Attacker-controlled CSV samples can trigger super-linear regular-expression work during dialect sniffing and consume significant CPU when applications pass unbounded input to csv.Sniffer.sniff().
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Python Software Foundation / CPython | affected 0 before 3.10.21; affected 3.11.0 before 3.11.16; affected 3.12.0 before 3.12.14; affected 3.13.0 before 3.13.15; affected 3.14.0 before 3.14.7; affected 3.15.0a1 before 3.15.0rc1; affected 3.16.0a1 before 3.16.0 |
CWE
CWE-1176
References
- https://mail.python.org/archives/list/security-announce@python.org/thread/KQ7NBMCPAZJHRROQXJQE4GMXGLD5KHBS/
- https://github.com/python/cpython/pull/153694
- https://github.com/python/cpython/issues/98820
- https://github.com/python/cpython/commit/063d4555c94ef412c731527dbf30193327f2ee82
- https://github.com/python/cpython/commit/476fb09cdb0d73e645849d98c610e7e5697ce7c9
- https://github.com/python/cpython/commit/89f29c760c02774b099ddd6863268eb13fa3946a
- https://github.com/python/cpython/commit/b30c7fa9edd921a118f286e9f90f560777fa693b
- https://github.com/python/cpython/commit/b09a67a20c464f8288c9f9a6b9c7082a74560024
- https://github.com/python/cpython/commit/fd78b565d7c326f96ae903ab945b47f35d829cf4
ADP enrichment
No English description supplied.
No references supplied.