Описание
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().
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| python3.15 | fixed | 3.15.0~rc1-1 | package | |
| python3.14 | fixed | 3.14.7-1 | package | |
| python3.13 | fixed | 3.13.15-1 | package | |
| python3.13 | no-dsa | trixie | package | |
| python3.11 | removed | package | ||
| python3.9 | removed | package | ||
| python2.7 | removed | package | ||
| python2.7 | end-of-life | bullseye | package | |
| pypy3 | unfixed | package | ||
| pypy3 | no-dsa | trixie | package | |
| pypy3 | postponed | bookworm | package |
Примечания
https://mail.python.org/archives/list/security-announce@python.org/thread/KQ7NBMCPAZJHRROQXJQE4GMXGLD5KHBS/
https://github.com/python/cpython/issues/98820
https://github.com/python/cpython/pull/153694
Fixed by: https://github.com/python/cpython/commit/476fb09cdb0d73e645849d98c610e7e5697ce7c9 (v3.15.0rc1)
Fixed by: https://github.com/python/cpython/commit/89f29c760c02774b099ddd6863268eb13fa3946a (v3.14.7)
Fixed by: https://github.com/python/cpython/commit/b30c7fa9edd921a118f286e9f90f560777fa693b (v3.13.15)
Fixed by: https://github.com/python/cpython/commit/063d4555c94ef412c731527dbf30193327f2ee82 (v3.12.14)
Fixed by: https://github.com/python/cpython/commit/b09a67a20c464f8288c9f9a6b9c7082a74560024 (v3.11.16)
Fixed by: https://github.com/python/cpython/commit/fd78b565d7c326f96ae903ab945b47f35d829cf4 (v3.10.21)
Связанные уязвимости
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().
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().
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().
Super-linear CPU usage for unbounded input to csv.Sniffer.sniff()
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().