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NCalc: Denial of Service via Unbounded and Non-Terminating Factorial Evaluation

🗓️ 18 Jun 2026 13:05:37Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

NCalc DoS from unbounded factorial evaluation; fixed by operand bounds validation; upgrade to version six point one.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-55254
18 Jun 202613:05
cve
OSV
GHSA-3W5P-95MH-GQ75 NCalc: Denial of Service via Unbounded and Non-Terminating Factorial Evaluation
18 Jun 202613:05
osv
Positive Technologies
PT-2026-50732
18 Jun 202600:00
ptsecurity
Vulners
Node
ncalcsyncRange<6.1.1nuget
OR
ncalc.coreRange<6.1.1nuget

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