{"id":"USN-8553-1","summary":"dotnet8, dotnet10 vulnerabilities","details":"Artur Stetsko discovered that the .NET did not properly validate\nauthentication data. An attacker could possibly use this issue to elevate\nprivileges. (CVE-2026-47300)\n\nLevi Broderick discovered that .NET did not properly handle XML encryption\nduring parsing. An attacker could possibly use this issue to consume\nexcessive resources, resulting in a denial of service. (CVE-2026-47302)\n\nPham Quang Minh discovered that .NET did not properly parse\nauthentication data. An attacker could possibly use this issue to bypass\nauthentication and elevate privileges. (CVE-2026-47303)\n\nLevi Broderick discovered that .NET did not properly verify cryptographic\nsignatures during XML encryption. An attacker could possibly use this issue\nto bypass security features over a network and access encrypted data.\n(CVE-2026-47304)\n\nIt was discovered that .NET did not properly validate input during TLS\nhandshakes. An attacker could possibly use this issue to cause .NET to\ncrash, resulting in a denial of service. (CVE-2026-50524)\n\nLevi Broderick discovered that .NET did not properly handle resource\nallocation during XML encryption. An attacker could possibly use this issue\nto consume excessive resources, resulting in a denial of service.\n(CVE-2026-50525)\n\nSiwei Li discovered that .NET did not properly handle link resolution\nbefore file access during the container image build process. A local\nattacker could possibly use this issue to inject resources that could be\nincorporated into container images built by other users on the same\nmachine. (CVE-2026-50526)\n\nLevi Broderick discovered that .NET did not properly handle memory while\nperforming XML encryption. An attacker could possibly use this issue to\ncause .NET to crash, resulting in a denial of service. (CVE-2026-50527)\n\nHenrique Pereira discovered that .NET did not properly handle\nauthorization checks during TLS/SSL connections. An attacker could\npossibly use this issue to bypass authorization checks during secure\ncommunications. (CVE-2026-50528)\n\nIt was discovered that .NET did not properly handle resource allocation\nduring XML encryption. An attacker could possibly use this issue to\nconsume excessive resources, resulting in a denial of service.\n(CVE-2026-50648)\n\nMiha Zupan discovered that .NET did not properly limit resource\nallocation when handling HTTP/2 requests. An attacker could possibly use\nthis issue to consume excessive resources, resulting in a denial of\nservice. (CVE-2026-50651)\n\nIt was discovered that the .NET SMTP client did not properly handle the\nencoding or escaping of output. An attacker could possibly use this issue\nto spoof messages during message routing. (CVE-2026-50659)\n\nIt was discovered that .NET did not properly validate resource types when\nparsing X.509 certificates. An attacker could possibly use this issue to\ncause .NET to crash, resulting in a denial of service. (CVE-2026-57108)","modified":"2026-07-27T16:23:15.485650579Z","published":"2026-07-15T17:13:59Z","related":["UBUNTU-CVE-2026-47300","UBUNTU-CVE-2026-47302","UBUNTU-CVE-2026-47303","UBUNTU-CVE-2026-47304","UBUNTU-CVE-2026-50524","UBUNTU-CVE-2026-50525","UBUNTU-CVE-2026-50526","UBUNTU-CVE-2026-50527","UBUNTU-CVE-2026-50528","UBUNTU-CVE-2026-50648","UBUNTU-CVE-2026-50651","UBUNTU-CVE-2026-50659","UBUNTU-CVE-2026-57108"],"upstream":["UBUNTU-CVE-2026-47300","UBUNTU-CVE-2026-47302","UBUNTU-CVE-2026-47303","UBUNTU-CVE-2026-47304","UBUNTU-CVE-2026-50524","UBUNTU-CVE-2026-50525","UBUNTU-CVE-2026-50526","UBUNTU-CVE-2026-50527","UBUNTU-CVE-2026-50528","UBUNTU-CVE-2026-50648","UBUNTU-CVE-2026-50651","UBUNTU-CVE-2026-50659","UBUNTU-CVE-2026-57108"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8553-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-47300"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-47302"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-47303"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-47304"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-50524"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-50525"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-50526"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-50527"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-50528"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-50648"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-50651"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-50659"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-57108"}],"affected":[{"package":{"name":"dotnet8","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dotnet8?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.129-8.0.29-0ubuntu1~22.04.1"}]}],"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","8.0.125-8.0.25-0ubuntu1~22.04.1","8.0.126-8.0.26-0ubuntu1~22.04.1","8.0.127-8.0.27-0ubuntu1~22.04.1","8.0.128-8.0.28-0ubuntu1~22.04.1"],"ecosystem_specific":{"availability":"No 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