What is CVE-2020-9861?

CVE-2020-9861 is a high-severity vulnerability in Apple Swift, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2020-11-02.

How severe is CVE-2020-9861?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apple Swift

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.

EPSS: 0.014 (70.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apple Swift
Swift 5.1.5 For Linux — versions unspecified

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9861?: CVE-2020-9861 is a high-severity vulnerability in Apple Swift, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2020-11-02.
How severe is CVE-2020-9861?: High severity. CVSS v3 base score is 7.5 out of 10.