{"schemaVersion":3,"id":"USN-8425-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libnginx-mod-js vulnerability\n\nIt was discovered that njs did not properly handle certain client-\ncontrolled variables when processing ngx.fetch() requests. An attacker\ncould possibly use this issue to trigger a heap buffer overflow, resulting\nin arbitrary code execution or a denial of service.","dates":{"published":"2026-06-11T20:54:04.000Z","modified":"2026-06-18T00:44:22.512Z","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":"libnginx-mod-js","name":"libnginx-mod-js","label":"libnginx-mod-js","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libnginx-mod-js","purlType":"deb","versions":[{"text":"< 0.9.4-1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.9.4-1ubuntu0.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8425-1","label":"ubuntu.com/security/notices/USN-8425-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-8711","label":"ubuntu.com/security/CVE-2026-8711","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2026-8711"]},"timeline":[{"kind":"published","date":"2026-06-11T20:54:04.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-18T00:44:22.512Z","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":"2026-10-20T08:13:22.223Z","stale":false,"partial":false}}