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microsoft.build

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. High, CVSS 7.3NuGetPublished

    Microsoft Security Advisory CVE-2025-55247 | .NET Denial of Service Vulnerability

    CVE-2025-55247 · GHSA-w3q9-fxm7-j8fq

    Affected
    • NuGet microsoft.build >= 17.15.0-preview-25277-114, <= 17.15.0-preview-25277-114; >= 17.14.0, <= 17.14.8; >= 17.12.0, <= 17.12.36; >= 17.11.0, <= 17.11.31; >= 17.10.0, <= 17.10.29; >= 17.8.0, <= 17.8.29
    Fixed in
    17.8.4318.0.0-preview-25476-10717.10.4617.11.4817.12.5017.14.28· Vendor fix available
    Issue
    Microsoft Security Advisory CVE-2025-55247 | .NET Denial of Service Vulnerability <a name="executive-summary"</aExecutive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0.xxx, .NET 9.0.xxx and .NET 10.0.xxx. This advisory also provides guidance on what developers can do to update their environments to remove this vulnerability. A vulnerability exists in .NET where predictable paths for MSBuild's temporary directories on Linux let another user create the directories ahead of MSBuild, leading to DoS of builds. This only affects .NET on Linux operating systems. Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/370 <a name="mitigation-factors"</aMitigation factors Projects which do not utilize the DownloadFile build task are not susceptible to this vulnerability. <a name="affected-software"</aAffected software Any installation of .NET 10.0.100-rc.1.25451.107 SDK or earlier.…

    Recommended action: Upgrade to 18.0.0-preview-25476-107 (pre-release), 17.14.28, 17.12.50 or 3 more by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →