CVE-2026-18503
LOW
2,4
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: passive
Confidentiality: N/A
Integrity: N/A
Availability: N/A
Description
AI Translation Available
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().
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0011
Percentile
0,0th
Updated
Single Data Point
Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.
1176
Inefficient CPU Computation
IncompleteCommon Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Reduce Performance
Dos: Resource Consumption (Cpu)
Applicable Platforms
All platforms may be affected
https://github.com/python/cpython/commit/063d4555c94ef412c731527dbf30193327f2ee…
https://github.com/python/cpython/commit/476fb09cdb0d73e645849d98c610e7e5697ce7…
https://github.com/python/cpython/commit/89f29c760c02774b099ddd6863268eb13fa394…
https://github.com/python/cpython/commit/b30c7fa9edd921a118f286e9f90f560777fa69…
https://github.com/python/cpython/issues/98820
https://github.com/python/cpython/pull/153694
https://mail.python.org/archives/list/[email protected]/thread/KQ7NB…