{"schemaVersion":3,"id":"USN-6278-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"dotnet6, dotnet7 vulnerabilities\n\nUSN-6278-1 fixed several vulnerabilities in .NET. This update\nprovides the corresponding updates for Ubuntu 22.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that .NET did properly handle the execution of\n certain commands. An attacker could possibly use this issue to\n achieve remote code execution. (CVE-2023-35390)\n\n Benoit Foucher discovered that .NET did not properly implement the\n QUIC stream limit in HTTP/3. An attacker could possibly use this\n issue to cause a denial of service. (CVE-2023-38178)\n\n It was discovered that .NET did not properly handle the disconnection\n of potentially malicious clients interfacing with a Kestrel server. An\n attacker could possibly use this issue to cause a denial of service.\n (CVE-2023-38180)","dates":{"published":"2023-08-10T19:34:11.000Z","modified":"2026-02-10T04:43:14.000Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"dotnet6","name":"dotnet6","label":"dotnet6","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/dotnet6","purlType":"deb","versions":[{"text":"< 6.0.121-0ubuntu1~22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.0.121-0ubuntu1~22.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"dotnet7","name":"dotnet7","label":"dotnet7","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/dotnet7","purlType":"deb","versions":[{"text":"< 7.0.110-0ubuntu1~22.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 7.0.110-0ubuntu1~22.04.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6278-2","label":"ubuntu.com/security/notices/USN-6278-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-35390","label":"ubuntu.com/security/CVE-2023-35390","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-38178","label":"ubuntu.com/security/CVE-2023-38178","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-38180","label":"ubuntu.com/security/CVE-2023-38180","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-35390","CVE-2023-38178","CVE-2023-38180"],"downstream":[],"duplicates":[],"related":["CVE-2023-35390","CVE-2023-38178","CVE-2023-38180"]},"timeline":[{"kind":"published","date":"2023-08-10T19:34:11.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:43:14.000Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T21:02:05.822Z","stale":false,"partial":false}}