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DEBIAN-CVE-2026-18503

🗓️ 10 Aug 2026 14:17:21Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Unbounded CSV input to csv.Sniffer.sniff() triggers super-linear regex CPU exhaustion.

Related
Refs
ReporterTitlePublishedViews
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attackerkb
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CVE-2026-18503
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CVE-2026-18503 affecting package python3 for versions less than 3.12.14-1
20 Aug 202600:39
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CVE-2026-18503
11 Aug 202613:30
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CVE-2026-18503
10 Aug 202613:45
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cvelist
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CVE-2026-18503 Super-linear CPU usage for unbounded input to csv.Sniffer.sniff()
10 Aug 202613:45
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debiancve
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CVE-2026-18503
10 Aug 202613:45
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euvd
EUVD
EUVD-2026-55630
10 Aug 202613:45
euvd
mscve
Microsoft CVE
Super-linear CPU usage for unbounded input to csv.Sniffer.sniff()
15 Aug 202602:05
mscve
nvd
NVD
CVE-2026-18503
10 Aug 202614:17
nvd
Rows per page

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21 Aug 2026 16:00Current
5.3Medium risk
Vulners AI Score5.3
CVSS 42.4
EPSS0.00119
3