{"id":"UBUNTU-CVE-2026-69439","details":"Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.","modified":"2026-09-16T11:39:05Z","published":"2026-09-08T18:19:00Z","upstream":["CVE-2026-69439"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-69439"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-69439"},{"type":"REPORT","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69439"},{"type":"REPORT","url":"https://devblogs.microsoft.com/dotnet/dotnet-and-dotnet-framework-september-2026-servicing-updates"},{"type":"REPORT","url":"https://github.com/dotnet/announcements/issues/438"}],"affected":[{"package":{"name":"dotnet7","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dotnet7?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0.105-0ubuntu1~22.04.1","7.0.107-0ubuntu1~22.04.1","7.0.108-0ubuntu1~22.04.1","7.0.109-0ubuntu1~22.04.1","7.0.110-0ubuntu1~22.04.1","7.0.111-0ubuntu1~22.04.1","7.0.112-0ubuntu1~22.04.1","7.0.113-0ubuntu1~22.04.1","7.0.114-0ubuntu1~22.04.1","7.0.115-0ubuntu1~22.04.1","7.0.116-0ubuntu1~22.04.1","7.0.117-0ubuntu1~22.04.1","7.0.117-0ubuntu1~22.04.2","7.0.119-0ubuntu1~22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"aspnetcore-runtime-7.0","binary_version":"7.0.119-0ubuntu1~22.04.1"},{"binary_version":"7.0.119-0ubuntu1~22.04.1","binary_name":"aspnetcore-targeting-pack-7.0"},{"binary_version":"7.0.119-0ubuntu1~22.04.1","binary_name":"dotnet-apphost-pack-7.0"},{"binary_name":"dotnet-host-7.0","binary_version":"7.0.119-0ubuntu1~22.04.1"},{"binary_version":"7.0.119-0ubuntu1~22.04.1","binary_name":"dotnet-hostfxr-7.0"},{"binary_name":"dotnet-runtime-7.0","binary_version":"7.0.119-0ubuntu1~22.04.1"},{"binary_name":"dotnet-sdk-7.0","binary_version":"7.0.119-0ubuntu1~22.04.1"},{"binary_version":"7.0.119-0ubuntu1~22.04.1","binary_name":"dotnet-sdk-7.0-source-built-artifacts"},{"binary_version":"7.0.119-0ubuntu1~22.04.1","binary_name":"dotnet-targeting-pack-7.0"},{"binary_name":"dotnet-templates-7.0","binary_version":"7.0.119-0ubuntu1~22.04.1"},{"binary_version":"7.0.119-0ubuntu1~22.04.1","binary_name":"dotnet7"},{"binary_name":"netstandard-targeting-pack-2.1-7.0","binary_version":"7.0.119-0ubuntu1~22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-69439.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}