# System.Text.Encodings.Web (NuGet) vulnerabilities

5 known vulnerabilities (1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://www.nuget.org/packages/System.Text.Encodings.Web

## Advisories (5)

### [CVE-2021-26701](https://cve.now/CVE-2021-26701): .NET Core Remote Code Execution Vulnerability

- Severity: High 8.1
- Published: Feb 25, 2021
- Affected: from 4.0.0, fixed in 4.5.1; from 4.6.0, fixed in 4.7.2; from 5.0.0, fixed in 5.0.1.

### [CVE-2017-0256](https://cve.now/CVE-2017-0256): A spoofing vulnerability exists when the ASP.NET Core fails to properly sanitize web requests.

- Severity: Unrated
- Published: May 12, 2017
- Affected: from 4.0.0, fixed in 4.0.1; from 4.3.0, fixed in 4.3.1.

### [CVE-2017-0249](https://cve.now/CVE-2017-0249): An elevation of privilege vulnerability exists when the ASP.NET Core fails to properly sanitize web requests.

- Severity: Unrated
- Published: May 12, 2017
- Affected: from 4.0.0, fixed in 4.0.1; from 4.3.0, fixed in 4.3.1.

### [CVE-2017-0248](https://cve.now/CVE-2017-0248): Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings…

- Severity: Unrated
- Published: May 12, 2017
- Affected: from 4.0.0, fixed in 4.0.1; from 4.3.0, fixed in 4.3.1.

### [CVE-2017-0247](https://cve.now/CVE-2017-0247): A denial of service vulnerability exists when the ASP.NET Core fails to properly validate web requests.

- Severity: Unrated
- Published: May 12, 2017
- Affected: from 4.0.0, fixed in 4.0.1; from 4.3.0, fixed in 4.3.1.

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