{"id":"USN-8025-1","summary":"dotnet8, dotnet9, dotnet10 vulnerability","details":"Kevin Jones discovered that the System.Security.Cryptography.Cose component\nin .NET did not properly handle certain missing special elements in input\ndata. An attacker could possibly use this issue to bypass security checks\nand gain unauthorized access or perform data manipulation.","modified":"2026-04-27T18:37:53.634678Z","published":"2026-02-11T14:25:40Z","related":["UBUNTU-CVE-2026-21218"],"upstream":["CVE-2026-21218","UBUNTU-CVE-2026-21218"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8025-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-21218"}],"affected":[{"package":{"name":"dotnet8","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dotnet8@8.0.124-8.0.24-0ubuntu1~22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.124-8.0.24-0ubuntu1~22.04.1"}]}],"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"],"ecosystem_specific":{"availability":"No 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