{"id":"USN-8085-1","summary":"dotnet8, dotnet9, dotnet10 vulnerabilities","details":"It was discovered that the .NET Microsoft.Bcl.Memory NuGet package did not\nproperly handle certain malformed Base64Url encoded input. An attacker could\npossibly use this issue to cause .NET to crash, resulting in a denial of\nservice. This issue only affected .NET 9.0 and .NET 10.0. (CVE-2026-26127)\n\nBartłomiej Dach discovered that .NET's SignalR server component did not\nproperly manage resource consumption when processing certain messages. An\nattacker could possibly use this issue to exhaust internal buffers, resulting\nin a denial of service. (CVE-2026-26130)","modified":"2026-04-27T18:47:21.270812099Z","published":"2026-03-11T16:50:26Z","related":["UBUNTU-CVE-2026-26127","UBUNTU-CVE-2026-26130"],"upstream":["CVE-2026-26127","CVE-2026-26130","UBUNTU-CVE-2026-26127","UBUNTU-CVE-2026-26130"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8085-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-26127"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-26130"}],"affected":[{"package":{"name":"dotnet8","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dotnet8@8.0.125-8.0.25-0ubuntu1~22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.125-8.0.25-0ubuntu1~22.04.1"}]}],"versions":["8.0.102-8.0.2-0ubuntu1~22.04.1","8.0.103-8.0.3-0ubuntu1~22.04.1","8.0.103-8.0.3-0ubuntu1~22.04.2","8.0.105-8.0.5-0ubuntu1~22.04.1","8.0.107-8.0.7-0ubuntu1~22.04.1","8.0.108-8.0.8-0ubuntu1~22.04.1","8.0.110-8.0.10-0ubuntu1~22.04.1","8.0.111-8.0.11-0ubuntu1~22.04.1","8.0.112-8.0.12-0ubuntu1~22.04.1","8.0.114-8.0.14-0ubuntu1~22.04.1","8.0.115-8.0.15-0ubuntu1~22.04.1","8.0.116-8.0.16-0ubuntu1~22.04.1","8.0.117-8.0.17-0ubuntu1~22.04.1","8.0.118-8.0.18-0ubuntu1~22.04.1","8.0.119-8.0.19-0ubuntu1~22.04.1","8.0.120-8.0.20-0ubuntu1~22.04.1","8.0.121-8.0.21-0ubuntu1~22.04.1","8.0.122-8.0.22-0ubuntu1~22.04.1","8.0.123-8.0.23-0ubuntu1~22.04.1","8.0.124-8.0.24-0ubuntu1~22.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"8.0.25-0ubuntu1~22.04.1","binary_name":"aspnetcore-runtime-8.0"},{"binary_version":"8.0.25-0ubuntu1~22.04.1","binary_name":"aspnetcore-runtime-dbg-8.0"},{"binary_version":"8.0.25-0ubuntu1~22.04.1","binary_name":"aspnetcore-targeting-pack-8.0"},{"binary_version":"8.0.25-0ubuntu1~22.04.1","binary_name":"dotnet-apphost-pack-8.0"},{"binary_version":"8.0.25-0ubuntu1~22.04.1","binary_name":"dotnet-host-8.0"},{"binary_version":"8.0.25-0ubuntu1~22.04.1","binary_name":"dotnet-hostfxr-8.0"},{"binary_version":"8.0.25-0ubuntu1~22.04.1","binary_name":"dotnet-runtime-8.0"},{"binary_version":"8.0.25-0ubuntu1~22.04.1","binary_name":"dotnet-runtime-dbg-8.0"},{"binary_version":"8.0.125-0ubuntu1~22.04.1","binary_name":"dotnet-sdk-8.0"},{"binary_version":"8.0.125-0ubuntu1~22.04.1","binary_name":"dotnet-sdk-8.0-source-built-artifacts"},{"binary_version":"8.0.125-0ubuntu1~22.04.1","binary_name":"dotnet-sdk-dbg-8.0"},{"binary_version":"8.0.25-0ubuntu1~22.04.1","binary_name":"dotnet-targeting-pack-8.0"},{"binary_version":"8.0.125-0ubuntu1~22.04.1","binary_name":"dotnet-templates-8.0"},{"binary_version":"8.0.125-8.0.25-0ubuntu1~22.04.1","binary_name":"dotnet8"},{"binary_version":"8.0.125-0ubuntu1~22.04.1","binary_name":"netstandard-targeting-pack-2.1-8.0"}],"availability":"No 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