GHSA-cmhx-cq75-c4mj

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    GHSA-cmhx-cq75-c4mj

    Published: 4 Aug 2021Last Modified: 8 Nov 2023
    Aliases:
    CVE-2019-0820

    Summary: Regular Expression Denial of Service in System.Text.RegularExpressions

    Details: 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.

    References: https://nvd.nist.gov/vuln/detail/CVE-2019-0820, https://access.redhat.com/errata/RHSA-2019:1259, https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0820

    Affected packages

    Package

    Name: System.Text.RegularExpressions

    Purl: pkg:nuget/System.Text.RegularExpressions

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 4.3.0
    Fixed -4.3.1

    Affected versions

    4.3.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High