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().
01
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-18503US | — | — | ||
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… | ||||
02
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/python/cpython/commit/063d4555c94ef412c731527dbf30193327f2ee82FIX
- https://github.com/python/cpython/commit/476fb09cdb0d73e645849d98c610e7e5697ce7c9FIX
- https://github.com/python/cpython/commit/89f29c760c02774b099ddd6863268eb13fa3946aFIX
- https://github.com/python/cpython/commit/b09a67a20c464f8288c9f9a6b9c7082a74560024FIX
- https://github.com/python/cpython/commit/b30c7fa9edd921a118f286e9f90f560777fa693bFIX
- https://github.com/python/cpython/commit/fd78b565d7c326f96ae903ab945b47f35d829cf4FIX
- https://github.com/python/cpython/issues/98820REPORT
- https://github.com/python/cpython/pull/153694WEB
scry
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