CVE-2019-0820
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Microsoft .net Core
PublishedMay 16, 2019
First seenMay 16, 2019
How to fix
Update
- System.Text.RegularExpressions4.3.1 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft .net_core | 1.0, 1.1, 2.1, 2.2 | — |
| microsoft .net_framework | 2.0, 3.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.6.1, 4.8 | — |
| redhat enterprise_linux | 8.0 | — |
| redhat enterprise_linux_eus | 8.1, 8.2, 8.4, 8.6 | — |
| redhat enterprise_linux_server_aus | 8.2, 8.4, 8.6 | — |
| redhat enterprise_linux_server_tus | 8.2, 8.4, 8.6 | — |
| System.Text.RegularExpressionsNuGet | 4.3.0 ≤ v < 4.3.1 | 4.3.1 |
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