CVE-2026-18503: Super-linear CPU usage for unbounded input to csv.Sniffer.sniff()

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-14

Last Updated

2026-08-23

EPSS Score

0.12% (percentile: 1.6%)

Affected Products (1)

Other

• 21694-17084

Revision History

• 2026-08-14: Information published.
• 2026-08-23: Information published.