CVE-2026-25667 Affecting dotnet-8-runtime package, versions <8.0.119-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-MINIMOSLATEST-DOTNET8RUNTIME-16088389
- published16 Apr 2026
- disclosed19 Mar 2026
Introduced: 19 Mar 2026
NewCVE-2026-25667 (opens in a new tab)How to fix?
Upgrade Minimos:latest dotnet-8-runtime to version 8.0.119-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dotnet-8-runtime package and not the dotnet-8-runtime package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
ASP.NET Core Kestrel in Microsoft .NET 8.0 before 8.0.22 and .NET 9.0 before 9.0.11 allows a remote attacker to cause excessive CPU consumption by sending a crafted QUIC packet, because of an incorrect exit condition for HTTP/3 Encoder/Decoder stream processing.
References
- https://www.cve.org/CVERecord?id=CVE-2026-25667
- https://github.com/advisories/GHSA-jc8w-j2q2-vwjx
- https://osv.dev/vulnerability/MINI-4xj4-jqfh-j879
- https://osv.dev/vulnerability/CVE-2026-25667
- https://github.com/IsaJafarov/Kestrel-DoS
- https://github.com/dotnet/aspnetcore/commit/96ccc40a0e095424b19506e8268b9b1a3e23d6a7#diff-667d5b3693f93a0f706ab211428998b210862f9b885d917104d2013118312626