{"id":"USN-6438-1","summary":"dotnet6, dotnet7 vulnerabilities","details":"Kevin Jones discovered that .NET did not properly process certain\nX.509 certificates. An attacker could possibly use this issue to\ncause a denial of service. (CVE-2023-36799)\n\nIt was discovered that the .NET Kestrel web server did not properly\nhandle HTTP/2 requests. A remote attacker could possibly use this\nissue to cause a denial of service. (CVE-2023-44487)\n","modified":"2026-02-04T03:55:33.164391Z","published":"2023-10-19T16:12:40.635566Z","related":["CVE-2023-36799","CVE-2023-44487","UBUNTU-CVE-2023-36799","UBUNTU-CVE-2023-44487"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6438-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-36799"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-44487"}],"affected":[{"package":{"name":"dotnet6","ecosystem":"Ubuntu:23.10","purl":"pkg:deb/ubuntu/dotnet6@6.0.123-0ubuntu1?arch=source&distro=mantic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.123-0ubuntu1"}]}],"versions":["6.0.116-0ubuntu2","6.0.116-0ubuntu3","6.0.118-0ubuntu1","6.0.119-0ubuntu1","6.0.120-0ubuntu1","6.0.120-0ubuntu2","6.0.121-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"aspnetcore-runtime-6.0","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"aspnetcore-targeting-pack-6.0","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-apphost-pack-6.0","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-apphost-pack-6.0-dbgsym","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-host","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-host-dbgsym","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-hostfxr-6.0","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-hostfxr-6.0-dbgsym","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-runtime-6.0","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-runtime-6.0-dbgsym","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-sdk-6.0","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-sdk-6.0-dbgsym","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-sdk-6.0-source-built-artifacts","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-targeting-pack-6.0","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet-templates-6.0","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"dotnet6","binary_version":"6.0.123-0ubuntu1"},{"binary_name":"netstandard-targeting-pack-2.1","binary_version":"6.0.123-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6438-1.json"}},{"package":{"name":"dotnet7","ecosystem":"Ubuntu:23.10","purl":"pkg:deb/ubuntu/dotnet7@7.0.112-0ubuntu1?arch=source&distro=mantic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.112-0ubuntu1"}]}],"versions":["7.0.105-0ubuntu2","7.0.105-0ubuntu3","7.0.107-0ubuntu1","7.0.108-0ubuntu2","7.0.109-0ubuntu1","7.0.109-0ubuntu2","7.0.110-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"aspnetcore-runtime-7.0","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"aspnetcore-targeting-pack-7.0","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-apphost-pack-7.0","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-apphost-pack-7.0-dbgsym","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-host-7.0","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-host-7.0-dbgsym","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-hostfxr-7.0","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-hostfxr-7.0-dbgsym","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-runtime-7.0","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-runtime-7.0-dbgsym","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-sdk-7.0","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-sdk-7.0-dbgsym","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-sdk-7.0-source-built-artifacts","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-targeting-pack-7.0","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet-templates-7.0","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"dotnet7","binary_version":"7.0.112-0ubuntu1"},{"binary_name":"netstandard-targeting-pack-2.1-7.0","binary_version":"7.0.112-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6438-1.json"}}],"schema_version":"1.7.3"}