{"schemaVersion":3,"id":"USN-5733-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"flac vulnerabilities\n\nIt was discovered that FLAC was not properly performing memory management\noperations, which could result in a memory leak. An attacker could possibly\nuse this issue to cause FLAC to consume resources, leading to a denial of\nservice. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and\nUbuntu 18.04 LTS. (CVE-2017-6888)\n\nIt was discovered that FLAC was not properly performing bounds checking\noperations when decoding data. If a user or automated system were tricked\ninto processing a specially crafted file, an attacker could possibly use\nthis issue to expose sensitive information or to cause FLAC to crash,\nleading to a denial of service. This issue only affected Ubuntu 14.04 ESM,\nUbuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-0499)\n\nIt was discovered that FLAC was not properly performing bounds checking\noperations when encoding data. If a user or automated system were tricked\ninto processing a specially crafted file, an attacker could possibly use\nthis issue to expose sensitive information or to cause FLAC to crash,\nleading to a denial of service. (CVE-2021-0561)","dates":{"published":"2022-11-21T13:32:08.000Z","modified":"2026-06-29T13:50:42.752Z","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":"flac","name":"flac","label":"flac","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/flac","purlType":"deb","versions":[{"text":"< 1.3.0-2ubuntu0.14.04.1+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.3.1-4ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.3.2-1ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.3.3-1ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.3.3-2ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.0-2ubuntu0.14.04.1+esm1 | < 1.3.1-4ubuntu0.1~esm1 | < 1.3.2-1ubuntu0.1 | < 1.3.3-1ubuntu0.1 | < 1.3.3-2ubuntu0.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5733-1","label":"ubuntu.com/security/notices/USN-5733-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-6888","label":"ubuntu.com/security/CVE-2017-6888","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-0499","label":"ubuntu.com/security/CVE-2020-0499","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-0561","label":"ubuntu.com/security/CVE-2021-0561","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2017-6888","CVE-2020-0499","CVE-2021-0561"],"downstream":[],"duplicates":[],"related":["CVE-2017-6888","CVE-2020-0499","CVE-2021-0561"]},"timeline":[{"kind":"published","date":"2022-11-21T13:32:08.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T13:50:42.752Z","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":"2026-10-21T07:42:21.828Z","stale":false,"partial":false}}