nuget package report

Is System.Text.RegularExpressions safe?

System.Text.RegularExpressions (nuget) has 1 known vulnerability, the worst rated HIGH. Upgrade to 4.3.1 or later to clear it. No malicious-package signal is recorded.

// reach

0 direct dependencies

none carry a known advisory

    65 packages depend on it

    an advisory here reaches each of them

    • abp
    • altinn.app.api
    Create a free accountfor every dependency path, dependent and what to upgrade
    // ai model usage

    Tracked for PyPI packages. HuggingFace models declare Python dependencies, so nuget packages are not covered.


    cvss
    7.5
    high

    CVSS v3.1 base score out of 10

    epss
    5.7%
    medium

    chance of exploitation in 30 days, 93rd percentile of all CVEs

    xyz score
    3.9
    low

    CyberXYZ composite out of 10

    fig. 01 — GHSA-cmhx-cq75-c4mj, the advisory selected below

    // 1 advisories

    A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of…

    Full advisory text at GitHub advisory or NVD.

    // cvss v3.1 vector

    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

    Attack vector
    Network
    Attack complexity
    Low
    Privileges required
    None
    User interaction
    None
    Scope
    Unchanged
    Confidentiality
    None
    Integrity
    None
    Availability
    High
    // questions
    Is System.Text.RegularExpressions safe to install?

    CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for System.Text.RegularExpressions (nuget), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.

    Does System.Text.RegularExpressions have known vulnerabilities?

    Yes. CyberXYZ records 1 known vulnerability for System.Text.RegularExpressions (nuget), the worst rated HIGH. They are GHSA-cmhx-cq75-c4mj.

    Which version of System.Text.RegularExpressions should I use?

    4.3.1 or later clears every advisory recorded for System.Text.RegularExpressions (nuget). Check the release you pick before installing it.

    How do I check System.Text.RegularExpressions before installing?

    Search System.Text.RegularExpressions in CyberXYZ Check at https://cyberxyz.io/check?q=System.Text.RegularExpressions. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.


    Checked 2026-11-14 at 13:06 UTC. The most recent advisory here was published 2021-08-04. Updated continuously from NVD, GHSA, OSV and CNA feeds.

    Think a verdict here is wrong? Tell us — we respond within 2 business days.