Vulnerability Database

309,961

Total vulnerabilities in the database

CVE-2020-9861

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.

  • Published: Nov 2, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-9861
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
apple / swift - 5.1.4.x