CVE-2020-9861

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A stack overflow issue existed in Swift for Linux. The issue was addressed with improved input validation for dealing with deeply nested malicious JSON input.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-674

Affected software

VendorProductVersions
SwiftSwift 5.1.5 for Linux>= unspecified, < Swift 5.1.5 for Linux

References

Timeline

Published
Nov 2, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-9861: High severity, CVSS 7.5 | Vulnix