Cloud Defense Logo

Products

Solutions

Company

CVE-2020-9861 Explained : Impact and Mitigation

Learn about CVE-2020-9861, a vulnerability in Swift for Linux that could lead to a stack overflow issue when processing deeply nested malicious JSON input, potentially resulting in a Denial of Service (DoS) attack.

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

Understanding CVE-2020-9861

What is CVE-2020-9861?

CVE-2020-9861 is a vulnerability in Swift for Linux that could result in a stack overflow due to inadequate input validation when processing deeply nested malicious JSON input.

The Impact of CVE-2020-9861

The vulnerability could be exploited to cause a Denial of Service (DoS) by parsing malicious JSON input with deeply nested structures.

Technical Details of CVE-2020-9861

Vulnerability Description

The issue in Swift for Linux allowed for a stack overflow due to insufficient input validation when handling deeply nested malicious JSON input.

Affected Systems and Versions

        Product: Swift 5.1.5 for Linux
        Vendor: Swift
        Versions: Unspecified custom version

Exploitation Mechanism

Parsing malicious JSON input with deeply nested

Popular CVEs

CVE Id

Published Date

Is your System Free of Underlying Vulnerabilities?
Find Out Now