{"schemaVersion":3,"id":"USN-8458-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"nginx vulnerabilities\n\nIt was discovered that nginx incorrectly handled large headers when\nproxying HTTP/2 traffic. A remote attacker could use this issue to cause\nnginx to crash, resulting in a denial of service, or possibly execute\narbitrary code. The default compiler options for affected releases should\nreduce the vulnerability to a denial of service. (CVE-2026-42055)\n\nIt was discovered that nginx incorrectly handled character set conversion\nunder certain circumstances. A remote attacker could possibly use this\nissue to obtain sensitive information or cause nginx to crash, resulting in\na denial of service. (CVE-2026-48142)","dates":{"published":"2026-06-22T13:28:02.000Z","modified":"2026-06-30T18:17:35.447Z","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":"nginx","name":"nginx","label":"nginx","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/nginx","purlType":"deb","versions":[{"text":"< 1.18.0-6ubuntu14.16","noFixRecorded":false,"fixedIn":null},{"text":"< 1.24.0-2ubuntu7.13","noFixRecorded":false,"fixedIn":null},{"text":"< 1.28.0-6ubuntu1.8","noFixRecorded":false,"fixedIn":null},{"text":"< 1.28.3-2ubuntu1.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.18.0-6ubuntu14.16 | < 1.24.0-2ubuntu7.13 | < 1.28.0-6ubuntu1.8 | < 1.28.3-2ubuntu1.6","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8458-1","label":"ubuntu.com/security/notices/USN-8458-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-42055","label":"ubuntu.com/security/CVE-2026-42055","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-48142","label":"ubuntu.com/security/CVE-2026-48142","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2026-42055","CVE-2026-48142"]},"timeline":[{"kind":"published","date":"2026-06-22T13:28:02.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-30T18:17:35.447Z","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":"2026-10-19T22:44:07.542Z","stale":false,"partial":false}}