{"schemaVersion":3,"id":"USN-4768-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"musl vulnerabilities\n\nIt was discovered that musl did not properly handle kernel syscalls. An\nattacker could use this vulnerability to cause a denial of service (crash)\nor possibly execute arbitrary code. (CVE-2018-1000001)\n\nIt was discovered that musl did not properly handle the parsing of DNS\nresponse codes. A remote attacker could use this vulnerability to cause\nresource consumption (infinite loop), denial of service, or possibly\nexecute arbitrary code. This issue only affected Ubuntu 14.04 ESM.\n(CVE-2014-3484)\n\nIt was discovered that musl did not properly handle the parsing of DNS\nresponse codes. A remote attacker could use this vulnerability to cause\nresource consumption (infinite loop), denial of service, or possibly\nexecute arbitrary code. This issue only affected Ubuntu 16.04 ESM.\n(CVE-2017-15650)\n\nIt was discovered that musl did not properly handle the parsing of ipv6\naddresses. An attacker could use this vulnerability to cause a denial of\nservice (crash) or possibly execute arbitrary code. This issue only affected\nUbuntu 14.04 ESM. (CVE-2015-1817)\n\nIt was discovered that TRE library, used by musl, did not properly handle\ncertain inputs. An attacker could use this vulnerability to cause a denial of\nservice (crash). (CVE-2016-8859)","dates":{"published":"2021-03-15T20:10:13.000Z","modified":"2026-06-29T13:48:11.652Z","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":"musl","name":"musl","label":"musl","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/musl","purlType":"deb","versions":[{"text":"< 0.9.15-1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.1.9-1ubuntu0.1~esm2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.9.15-1ubuntu0.1~esm1 | < 1.1.9-1ubuntu0.1~esm2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4768-1","label":"ubuntu.com/security/notices/USN-4768-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2014-3484","label":"ubuntu.com/security/CVE-2014-3484","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2015-1817","label":"ubuntu.com/security/CVE-2015-1817","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-8859","label":"ubuntu.com/security/CVE-2016-8859","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2017-15650","label":"ubuntu.com/security/CVE-2017-15650","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-1000001","label":"ubuntu.com/security/CVE-2018-1000001","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2014-3484","CVE-2015-1817","CVE-2016-8859","CVE-2017-15650","CVE-2018-1000001"],"downstream":[],"duplicates":[],"related":["CVE-2014-3484","CVE-2015-1817","CVE-2016-8859","CVE-2017-15650","CVE-2018-1000001"]},"timeline":[{"kind":"published","date":"2021-03-15T20:10:13.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T13:48:11.652Z","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":"2026-10-21T20:39:55.048Z","stale":false,"partial":false}}