CVE-2019-0820

A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981.

Score

CVSS 3.1 7.5 High

Status

Modified - secure@microsoft.com

Published

2019-05-16

Last modified

2024-08-04

Weaknesses

CWE-400

Affected products

• .net Core (Microsoft)
• .net Framework (Microsoft)
• Microsoft .net Framework 2.0 (Microsoft)
• Microsoft .net Framework 3.0 (Microsoft)
• Microsoft .net Framework 3.5 (Microsoft)
• Microsoft .net Framework 3.5.1 (Microsoft)
• Microsoft .net Framework 3.5 On Windows 10 Version 1903 For 32-bit Systems (Microsoft)
• Microsoft .net Framework 3.5 On Windows 10 Version 1903 For X64-based Systems (Microsoft)
• Microsoft .net Framework 3.5 On Windows Server (Microsoft)
• Microsoft .net Framework 4.5.2 (Microsoft)
• Microsoft .net Framework 4.6 (Microsoft)
• Microsoft .net Framework 4.6.24.74.7.14.7.2 (Microsoft)
• Microsoft .net Framework 4.64.6.14.6.24.74.7.14.7.2 (Microsoft)
• Microsoft .net Framework 4.7.2 (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1607 For 32-bit Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1607 For X64-based Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1703 For 32-bit Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1703 For X64-based Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1709 For 32-bit Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1709 For X64-based Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1803 For 32-bit Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1803 For X64-based Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1809 For 32-bit Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1809 For X64-based Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1903 For 32-bit Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 10 Version 1903 For X64-based Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 7 For 32-bit Systems Service Pack 1 (Microsoft)
• Microsoft .net Framework 4.8 On Windows 7 For X64-based Systems Service Pack 1 (Microsoft)
• Microsoft .net Framework 4.8 On Windows 8.1 For 32-bit Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows 8.1 For X64-based Systems (Microsoft)
• Microsoft .net Framework 4.8 On Windows Rt 8.1 (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2008 R2 For X64-based Systems Service Pack 1 (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2008 R2 For X64-based Systems Service Pack 1 Server Core Installation (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2012 (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2012 R2 (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2012 R2 Server Core Installation (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2012 Server Core Installation (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2016 (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2016 Server Core Installation (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2019 (Microsoft)
• Microsoft .net Framework 4.8 On Windows Server 2019 Server Core Installation (Microsoft)
• Version 1803 Server Core Installation (Microsoft)
• Version 1903 Server Core Installation (Microsoft)
• Enterprise Linux (Redhat)
• Enterprise Linux Eus (Redhat)
• Enterprise Linux Server Aus (Redhat)
• Enterprise Linux Server Tus (Redhat)

References

• https://access.redhat.com/errata/RHSA-2019:1259
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0820